$FBP
First BanCorp Stock $fbp

$fbp Overview Financials Valuation SEC Filings Company Website

2016 Q4 Form 10-K Financial Statement

#000105770617000010 Filed on March 16, 2017

Income Statement

Concept	2016 Q4	2015 Q4	2015
Revenue			$686.9M
YoY Change			-1.21%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development			$7.726M
YoY Change			-0.52%
% of Gross Profit
Depreciation & Amortization	$5.400M	$6.500M	$26.20M
YoY Change	-16.92%	-1.52%	1.16%
% of Gross Profit
Operating Expenses			$7.726M
YoY Change			-0.52%
Operating Profit
YoY Change
Interest Expense			$103.3M
YoY Change			-10.85%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$37.20M	$18.70M	$27.72M
YoY Change	98.93%	-36.61%	-69.75%
Income Tax	$13.30M	$3.800M	$6.419M
% Of Pretax Income	35.75%	20.32%	23.16%
Net Earnings	$23.90M	$15.00M	$21.30M
YoY Change	59.33%	-95.47%	-94.57%
Net Earnings / Revenue			3.1%
Basic Earnings Per Share			$0.10
Diluted Earnings Per Share	$109.9K	$70.06K	$0.10
COMMON SHARES
Basic Shares Outstanding			211.5M shares
Diluted Shares Outstanding			213.0M shares

Balance Sheet

Concept	2016 Q4	2015 Q4	2015
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$299.7M	$752.5M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$150.8M	$161.0M	$161.0M
YoY Change	-6.33%	-3.54%	-3.59%
Goodwill	$28.10M	$28.10M
YoY Change	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$11.92B	$12.57B	$12.57B
YoY Change	-5.17%	-1.22%	-1.22%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$118.0M	$158.0M	$158.0M
YoY Change	-25.32%	37.39%	37.39%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$300.0M	$700.0M	$700.0M
YoY Change	-57.14%	-22.22%	-22.22%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$118.0M	$158.0M	$158.0M
YoY Change	-25.32%	37.39%	37.39%
LONG-TERM LIABILITIES
Long-Term Debt	$216.0M	$226.0M	$226.0M
YoY Change	-4.42%	-2.59%	-2.59%
Other Long-Term Liabilities	$1.000M	$1.000M	$1.000M
YoY Change	0.0%
Total Long-Term Liabilities	$217.0M	$227.0M	$227.0M
YoY Change	-4.41%	-2.16%	-2.16%
TOTAL LIABILITIES
Total Short-Term Liabilities	$118.0M	$158.0M	$158.0M
Total Long-Term Liabilities	$217.0M	$227.0M	$227.0M
Total Liabilities	$10.14B	$10.88B	$10.88B
YoY Change	-6.83%	-1.6%	-1.6%
SHAREHOLDERS EQUITY
Retained Earnings	$830.9M	$737.9M
YoY Change	12.6%	2.97%
Common Stock	$21.87M	$21.61M
YoY Change	1.23%	1.09%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$125.0K	$96.00K
YoY Change	30.21%	29.73%
Treasury Stock Shares	1.254M shares	962.4K shares
Shareholders Equity	$1.786B	$1.694B	$1.694B
YoY Change
Total Liabilities & Shareholders Equity	$11.92B	$12.57B	$12.57B
YoY Change	-5.17%	-1.22%	-1.22%

Cashflow Statement

Concept	2016 Q4	2015 Q4	2015
OPERATING ACTIVITIES
Net Income	$23.90M	$15.00M	$21.30M
YoY Change	59.33%	-95.47%	-94.57%
Depreciation, Depletion And Amortization	$5.400M	$6.500M	$26.20M
YoY Change	-16.92%	-1.52%	1.16%
Cash From Operating Activities	$80.30M	$62.80M	$261.9M
YoY Change	27.87%	128.36%	-0.93%
INVESTING ACTIVITIES
Capital Expenditures	-$2.200M	-$2.900M	$12.46M
YoY Change	-24.14%	-34.09%	-44.05%
Acquisitions
YoY Change
Other Investing Activities	-$138.8M	-$19.80M	$451.4M
YoY Change	601.01%	-181.82%	62.96%
Cash From Investing Activities	-$141.0M	-$22.60M	$439.0M
YoY Change	523.89%	-214.14%	72.33%
FINANCING ACTIVITIES
Cash Dividend Paid			$0.00
YoY Change
Common Stock Issuance & Retirement, Net			$1.173M
YoY Change			24.0%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-168.6M	-249.4M	-$744.5M
YoY Change	-32.4%	12.8%	96.63%
NET CHANGE
Cash From Operating Activities	80.30M	62.80M	$261.9M
Cash From Investing Activities	-141.0M	-22.60M	$439.0M
Cash From Financing Activities	-168.6M	-249.4M	-$744.5M
Net Change In Cash	-229.3M	-209.2M	-$43.65M
YoY Change	9.61%	20.37%	-131.08%
FREE CASH FLOW
Cash From Operating Activities	$80.30M	$62.80M	$261.9M
Capital Expenditures	-$2.200M	-$2.900M	$12.46M
Free Cash Flow	$82.50M	$65.70M	$249.4M
YoY Change	25.57%	105.96%	3.03%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	6104000	USD
CY2015Q4	us-gaap	Loans Receivable Net LoansReceivableNet	8907541000	USD
CY2016	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	397385000	USD
CY2016	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	30900000	USD
CY2014	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	109530000	USD
CY2014	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	6876000	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	6037000	USD
CY2014	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	62000	USD
CY2015	fbp	Proceeds From Loans Originated Or Purchased ProceedsFromLoansOriginatedOrPurchased	2959871000	USD
CY2015	fbp	Cummulative Charge Offs Period CummulativeChargeOffsPeriod	P2Y0M0D
CY2015Q4	us-gaap	Deposits Deposits	9338124000	USD
CY2015Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	215088698	shares
CY2015	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	21297000	USD
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.87
CY2014	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	571685000	USD
CY2014	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	7199000	USD
CY2015	fbp	Gain On Sale Of Merchant Contracts GainOnSaleOfMerchantContracts	7000000	USD
CY2015	fbp	Weighted Average Rate Time Deposits WeightedAverageRateTimeDeposits	0.0092	pure
CY2016	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions No Previous Impairment OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment	0	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	778485000	USD
CY2016Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	28981000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	8886873000	USD
CY2016Q4	us-gaap	Principal Amount Outstanding On Loans Securitized PrincipalAmountOutstandingOnLoansSecuritized	1500000000	USD
CY2016Q4	fbp	Fha Va Loans No Longer Accruing Interest FhaVaLoansNoLongerAccruingInterest	29300000	USD
CY2014Q4	fbp	Provsion For Loan Losses Expensed Impaired Loans ProvsionForLoanLossesExpensedImpairedLoans	58758000	USD
CY2014Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	694453000	USD
CY2014	fbp	Financing Receivable Modifications New Troubled Debt Restructurings FinancingReceivableModificationsNewTroubledDebtRestructurings	164108000	USD
CY2014	fbp	Financing Receivable Modifications Troubled Debt Restructurings Paid Or Partial Paid FinancingReceivableModificationsTroubledDebtRestructuringsPaidOrPartialPaid	48452000	USD
CY2015	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	196175000	USD
CY2016	fbp	Impaired Financing Receivable Paid Or Partial Payments ImpairedFinancingReceivablePaidOrPartialPayments	70353000	USD
CY2016Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	7347050000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	262000	USD
CY2015	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	USD
CY2016Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	217446205	shares
CY2016Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	205603000	USD
CY2016	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	6104000	USD
CY2014	us-gaap	Professional Fees ProfessionalFees	47940000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	452672000	USD
CY2016Q4	fbp	Other Investment Securities Available For Sale OtherInvestmentSecuritiesAvailableForSale	1542530000	USD
CY2015Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	22004000	shares
CY2016	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	50905000	USD
CY2015	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	605569000	USD
CY2015	fbp	Net Loss On Real Estate Owned Operations NetLossOnRealEstateOwnedOperations	15788000	USD
CY2014	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	26989000	USD
CY2016	us-gaap	Impairment Of Investments ImpairmentOfInvestments	1845000	USD
CY2014	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	22262000	USD
CY2016	us-gaap	Proceeds From Sale Of Other Productive Assets ProceedsFromSaleOfOtherProductiveAssets	2279000	USD
CY2016	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	93006000	USD
CY2014	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	7766000	USD
CY2014	fbp	Derivatives Instruments And Hedging Activities Loss Gain DerivativesInstrumentsAndHedgingActivitiesLossGain	936000	USD
CY2015	fbp	Amortization Of Broker Placement Fees AmortizationOfBrokerPlacementFees	4563000	USD
CY2014	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-5417000	USD
CY2015	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	107702000	USD
CY2014	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	4861000	USD
CY2016	fbp	Period For Other Than Temporary Impairment PeriodForOtherThanTemporaryImpairment	P1Y0M0D
CY2016	fbp	Weighted Average Interest Rate Other Short Term Investments WeightedAverageInterestRateOtherShortTermInvestments	0.003	pure
CY2015	fbp	Weighted Average Interest Rate Other Short Term Investments WeightedAverageInterestRateOtherShortTermInvestments	0.0034	pure
CY2015	fbp	Minimum Number Of Payments In Arrears To Consider Commercial Mortgage And Construction Loan As Past Due MinimumNumberOfPaymentsInArrearsToConsiderCommercialMortgageAndConstructionLoanAsPastDue	2
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	1375300000	USD
CY2015	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	37299000	USD
CY2015Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	8097281000	USD
CY2016Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	2518496000	USD
CY2016	fbp	Financing Receivable Modifications Sold FinancingReceivableModificationsSold	3761000	USD
CY2011Q1	us-gaap	Line Of Credit Facility Interest Rate Description LineOfCreditFacilityInterestRateDescription	30-day LIBOR plus 300 basis points
CY2016	fbp	Interest Rate On Loan Provided InterestRateOnLoanProvided	30-day LIBOR plus 300 basis points
CY2016	fbp	Percentage Of Priority Interest To Be Received On Invested Capital PercentageOfPriorityInterestToBeReceivedOnInvestedCapital	0.12	pure
CY2016	fbp	Adjustment To Servicing Assets For Loans Repurchased AdjustmentToServicingAssetsForLoansRepurchased	-256000	USD
CY2014	us-gaap	Interest Expense Domestic Deposit Liabilities Checking InterestExpenseDomesticDepositLiabilitiesChecking	6446000	USD
CY2014	us-gaap	Preferred Stock Redemption Discount PreferredStockRedemptionDiscount	1659000	USD
CY2016	fbp	Income Tax Rate Reconciliation Nol Carryforwards IncomeTaxRateReconciliationNOLCarryforwards	6396000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	7663000	USD
CY2015Q4	fbp	Defaulted Loans Collateralizing Securities DefaultedLoansCollateralizingSecurities	38500000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	207262000	USD
CY2015Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	216473000	USD
CY2015Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000	shares
CY2016	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	5964000	USD
CY2016Q4	us-gaap	Other Assets OtherAssets	476430000	USD
CY2016Q4	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	339390000	USD
CY2015	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	4171000	USD
CY2015Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	532985000	USD
CY2014	us-gaap	Labor And Related Expense LaborAndRelatedExpense	135422000	USD
CY2014	fbp	Gain On Sale Of Merchant Contracts GainOnSaleOfMerchantContracts	0	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-735399000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	655671000	USD
CY2015Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	1000000	USD
CY2015Q4	fbp	Unamortized Broker Placement Fees UnamortizedBrokerPlacementFees	3900000	USD
CY2015	us-gaap	Preferred Stock Redemption Discount PreferredStockRedemptionDiscount	0	USD
CY2015	fbp	Non Deferrable Loan Fees NonDeferrableLoanFees	2687000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	2547000	USD
CY2016	us-gaap	Interest Paid InterestPaid	127707000	USD
CY2015	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	4494000	USD
CY2015Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	35869000	USD
CY2014	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	393946000	USD
CY2016	fbp	Derivatives Instruments And Hedging Activities Loss Gain DerivativesInstrumentsAndHedgingActivitiesLossGain	-78000	USD
CY2016Q4	us-gaap	Common Stock Value CommonStockValue	21870000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	254733000	USD
CY2014	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	311305000	USD
CY2015Q4	us-gaap	Loans Receivable Commercial Mortgage LoansReceivableCommercialMortgage	1537806000	USD
CY2014	fbp	Financing Receivable Allowance For Credit Losses Net Write Offs Impaired Loans FinancingReceivableAllowanceForCreditLossesNetWriteOffsImpairedLoans	106154000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	261891000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	264353000	USD
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CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	1671743000	USD
CY2016	fbp	Guaranteed Loans Past Due GuaranteedLoansPastDue	P0Y2M29D
CY2016	dei	Amendment Flag AmendmentFlag	false
CY2016	dei	Trading Symbol TradingSymbol	fbp
CY2015Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	8001565000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	151626000	USD
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CY2014	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Portion Attributable To Parent Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentAvailableforsaleSecurities	0	USD
CY2016Q4	fbp	Federal Home Loan Bank Capital Stock Par Value FederalHomeLoanBankCapitalStockParValue	100
CY2016Q4	us-gaap	Loans Receivable Commercial Mortgage LoansReceivableCommercialMortgage	1568808000	USD
CY2015	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	6417000	USD
CY2014	fbp	Proceeds On Sale Of Merchant Contracts ProceedsOnSaleOfMerchantContracts	0	USD
CY2016Q4	fbp	Threshold For Financing Receivables Evaluated For Impairment ThresholdForFinancingReceivablesEvaluatedForImpairment	1000000	USD
CY2016Q4	us-gaap	Assets Assets	11922455000	USD
CY2015	us-gaap	Labor And Related Expense LaborAndRelatedExpense	150059000	USD
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CY2015	us-gaap	Noninterest Expense NoninterestExpense	383830000	USD
CY2015	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	296950000	USD
CY2015Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	31300000	USD
CY2016Q4	fbp	Carrying Value Of Other Equity Security CarryingValueOfOtherEquitySecurity	2200000	USD
CY2016Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	881954000	USD
CY2016	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	32167000	USD
CY2016	us-gaap	Interest Income Money Market Deposits InterestIncomeMoneyMarketDeposits	3365000	USD
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CY2015	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	7726000	USD
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CY2014	us-gaap	Proceeds From Sale And Collection Of Loans Heldforsale ProceedsFromSaleAndCollectionOfLoansHeldforsale	328822000	USD
CY2014	fbp	Dividend Income From Federal Home Land Bank Stock DividendIncomeFromFederalHomeLandBankStock	1200000	USD
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CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	486452000	USD
CY2015Q4	us-gaap	Common Stock Value CommonStockValue	21605000	USD
CY2016	us-gaap	Interest Expense InterestExpense	101174000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6419000	USD
CY2016	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	20435000	USD
CY2014	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Period Increase Decrease OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsPeriodIncreaseDecrease	388000	USD
CY2016Q4	fbp	Percentage Of Debt Securities Government And Government Sponsored Agencies PercentageOfDebtSecuritiesGovernmentAndGovernmentSponsoredAgencies	0.97	pure
CY2016Q4	fbp	Defaulted Loans Collateralizing Securities DefaultedLoansCollateralizingSecurities	43700000	USD
CY2016	fbp	Minimum Number Of Payments In Arrears To Consider Commercial Mortgage And Construction Loan As Past Due MinimumNumberOfPaymentsInArrearsToConsiderCommercialMortgageAndConstructionLoanAsPastDue	2
CY2016Q4	fbp	Commercial And Industrial Loans Including Financial Institutions CommercialAndIndustrialLoansIncludingFinancialInstitutions	2180455000	USD
CY2015	fbp	Financing Receivable Allowance For Credit Losses Write Offs Impaired Loans FinancingReceivableAllowanceForCreditLossesWriteOffsImpairedLoans	99023000	USD
CY2016	fbp	Impaired Financing Receivable Increases During Period ImpairedFinancingReceivableIncreasesDuringPeriod	3236000	USD
CY2015	fbp	Financing Receivable Allowance For Credit Losses Net Write Offs Impaired Loans FinancingReceivableAllowanceForCreditLossesNetWriteOffsImpairedLoans	94139000	USD
CY2015Q4	fbp	Purchased Credit Impaired Loans Recorded Investment Current PurchasedCreditImpairedLoansRecordedInvestmentCurrent	134609000	USD
CY2015	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Additions CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions	38319000	USD
CY2015Q2	fbp	Classified And Non Performing Loans Sold ClassifiedAndNonPerformingLoansSold	147500000	USD
CY2014	us-gaap	Noninterest Expense NoninterestExpense	378253000	USD
CY2014	fbp	Net Loss On Real Estate Owned Operations NetLossOnRealEstateOwnedOperations	20596000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	60385000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-6641000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-19724000	USD
CY2015	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	61808000	USD
CY2016	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-542019000	USD
CY2015	fbp	Troubled Debt Restructurings Sustained Performance Period TroubledDebtRestructuringsSustainedPerformancePeriod	P0Y6M0D
CY2016	us-gaap	Fair Value Inputs Prepayment Rate FairValueInputsPrepaymentRate	0.138	pure
CY2015	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-20625000	USD
CY2016	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	31852000	USD
CY2016	dei	Entity Registrant Name EntityRegistrantName	FIRST BANCORP /PR/
CY2014	fbp	Amortization Of Premiums And Discounts On Deferred Loan Fees And Costs AmortizationOfPremiumsAndDiscountsOnDeferredLoanFeesAndCosts	-2431000	USD
CY2016	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	488833000	USD
CY2016Q4	fbp	Rewards Liability RewardsLiability	7100000	USD
CY2016Q4	fbp	Business Combination Finite Lived Intangible Assets Net BusinessCombinationFiniteLivedIntangibleAssetsNet	4400000	USD
CY2015Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	226492000	USD
CY2016Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	7294000	USD
CY2015Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2016Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	218700394	shares
CY2015	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	548571000	USD
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.1
CY2015	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	32794000	USD
CY2014	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	1892000	USD
CY2014	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	388000	USD
CY2015	us-gaap	Fair Value Inputs Prepayment Rate FairValueInputsPrepaymentRate	0.25	pure
CY2014	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	44909000	USD
CY2016	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	1389000	USD
CY2015Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	806509000	USD
CY2015	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	629855000	USD
CY2014	fbp	Foreclosures Of Impaired Loans ForeclosuresOfImpairedLoans	40582000	USD
CY2016Q4	fbp	Purchased Credit Impaired Loans Past Due PurchasedCreditImpairedLoansPastDue	41246000	USD
CY2016Q4	us-gaap	Liabilities Liabilities	10136212000	USD
CY2015Q4	fbp	Preferred Stock Liquidation Value PreferredStockLiquidationValue	36104000	USD
CY2016	us-gaap	Noninterest Income NoninterestIncome	87954000	USD
CY2016	us-gaap	Professional Fees ProfessionalFees	44137000	USD
CY2014	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.44
CY2016	us-gaap	Proceeds From Sale And Collection Of Loans Heldforsale ProceedsFromSaleAndCollectionOfLoansHeldforsale	493821000	USD
CY2015	fbp	Proceeds On Sale Of Merchant Contracts ProceedsOnSaleOfMerchantContracts	10000000	USD
CY2015	fbp	Impaired Financing Receivable Paid Or Partial Payments ImpairedFinancingReceivablePaidOrPartialPayments	72004000	USD
CY2016Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	116462000	USD
CY2016	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	24876000	USD
CY2015	fbp	Troubled Debt Restructurings Loans Transferred To Held For Sale TroubledDebtRestructuringsLoansTransferredToHeldForSale	-40005000	USD
CY2014	fbp	Foreclosures Of Troubled Debt Restructurings ForeclosuresOfTroubledDebtRestructurings	4948000	USD
CY2016Q4	fbp	Financing Receivable Related General Allowance FinancingReceivableRelatedGeneralAllowance	134325000	USD
CY2016	fbp	Foreclosures Of Troubled Debt Restructurings ForeclosuresOfTroubledDebtRestructurings	16834000	USD
CY2014	fbp	Financing Receivable Removed From Troubled Debt Restructurings Classification FinancingReceivableRemovedFromTroubledDebtRestructuringsClassification	0	USD
CY2014	fbp	All Other Fees AllOtherFees	-1253000	USD
CY2016Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	8360000	USD
CY2015	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	3387000	USD
CY2016	us-gaap	Servicing Fees Net ServicingFeesNet	4981000	USD
CY2016	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.25	pure
CY2010	fbp	Cumulative Loss Position Period CumulativeLossPositionPeriod	P3Y0M0D
CY2016	fbp	Impaired Loans Transferred To Held For Sale ImpairedLoansTransferredToHeldForSale	0	USD
CY2015	fbp	Impaired Loans Removed ImpairedLoansRemoved	46489000	USD
CY2016	fbp	Impaired Loans Removed ImpairedLoansRemoved	27643000	USD
CY2016	fbp	Period Of Residential Mortgage Loan That Are No Longer Accruing Interest PeriodOfResidentialMortgageLoanThatAreNoLongerAccruingInterest	P1Y3M0D
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	366045000	USD
CY2016Q4	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	2000000000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	726288000	USD
CY2016	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	22129000	USD
CY2013Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	919112000	USD
CY2016	fbp	Loans Considered To Be Defaulted If Borrower Has Failed To Make Payment For Period Or More Than Period LoansConsideredToBeDefaultedIfBorrowerHasFailedToMakePaymentForPeriodOrMoreThanPeriod	P0Y2M29D
CY2015	fbp	Period Of Residential Mortgage Loan That Are No Longer Accruing Interest PeriodOfResidentialMortgageLoanThatAreNoLongerAccruingInterest	P1Y3M0D
CY2016	us-gaap	Depreciation And Amortization DepreciationAndAmortization	17600000	USD
CY2014	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Aggregate Write Downs ValuationAllowanceForImpairmentOfRecognizedServicingAssetsAggregateWriteDowns	343000	USD
CY2016Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	25
CY2016	us-gaap	Noninterest Income Other NoninterestIncomeOther	8288000	USD
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.012	pure
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.046	pure
CY2014	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-318380000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	205603000	USD
CY2016Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInPrepaymentSpeed	1483000	USD
CY2014	us-gaap	Interest Expense Domestic Deposit Liabilities Brokered InterestExpenseDomesticDepositLiabilitiesBrokered	29894000	USD
CY2016	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	789000	USD
CY2015	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	6339000	USD
CY2014	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	-15202000	USD
CY2016Q4	fbp	Deferred Tax Liabilities Differences Between Assigned Values And Tax Bases Of Assets And Liabilities Recognized In Purchase Business Combinations DeferredTaxLiabilitiesDifferencesBetweenAssignedValuesAndTaxBasesOfAssetsAndLiabilitiesRecognizedInPurchaseBusinessCombinations	5247000	USD
CY2016Q4	fbp	Defferred Tax Assets Other Net Operating Losses DefferredTaxAssetsOtherNetOperatingLosses	20500000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	325661000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	-1763000	USD
CY2016	us-gaap	Lease Expiration Date1 LeaseExpirationDate1	2050-12-31
CY2015	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	40086000	USD
CY2014	fbp	Common Stock Issued In Exchange For Trust Preferred Securities Value CommonStockIssuedInExchangeForTrustPreferredSecuritiesValue	0	USD
CY2016	fbp	Noninterest Income For Reportable Segments NoninterestIncomeForReportableSegments	87954000	USD
CY2015	fbp	Other Income Not Allocated OtherIncomeNotAllocated	13443000	USD
CY2016Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	137681000	USD
CY2015Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	1444146	shares
CY2014	us-gaap	Net Income Loss NetIncomeLoss	392287000	USD
CY2016	fbp	Other Than Temporary Impairment Losses Subsequent Unrealized Gain On Debt Securities OtherThanTemporaryImpairmentLossesSubsequentUnrealizedGainOnDebtSecurities	550000	USD
CY2014	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-306010000	USD
CY2015	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	6241000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-378649000	USD
CY2015	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	0	USD
CY2015Q4	fbp	Rewards Liability RewardsLiability	9600000	USD
CY2015	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	265
CY2015Q4	fbp	Property Plant And Equipment Total Before Land And Cip PropertyPlantAndEquipmentTotalBeforeLandAndCip	128181000	USD
CY2016	fbp	All Other Fees AllOtherFees	-1000	USD
CY2015Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	2459186000	USD
CY2016	us-gaap	Interest Expense Domestic Deposit Liabilities Brokered InterestExpenseDomesticDepositLiabilitiesBrokered	21928000	USD
CY2015	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	25246000	USD
CY2016	fbp	Qualifying Mortgage Collateral With Market Value Higher Than Outstanding Advances QualifyingMortgageCollateralWithMarketValueHigherThanOutstandingAdvances	1.25	pure
CY2016	us-gaap	Preferred Stock Redemption Discount PreferredStockRedemptionDiscount	0	USD
CY2015	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	117770000	USD
CY2015	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	111890000	USD
CY2016	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	11922455000	USD
CY2014	fbp	Impaired Loans Removed ImpairedLoansRemoved	22333000	USD
CY2015Q4	fbp	Purchased Credit Impaired Loans Recorded Investment60 To89 Days Past Due PurchasedCreditImpairedLoansRecordedInvestment60To89DaysPastDue	16094000	USD
CY2014Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance	135500000	USD
CY2016Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	647048000	USD
CY2015	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	176721000	USD
CY2015Q4	us-gaap	Assets Sold Under Agreements To Repurchase Interest Rate AssetsSoldUnderAgreementsToRepurchaseInterestRate	0.0273	pure
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	208752000	shares
CY2014	us-gaap	Conversion Of Stock Shares Issued1 ConversionOfStockSharesIssued1	4597121	shares
CY2014	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.39	pure
CY2016	fbp	Effecetive Income Tax Rate Reconciliations Prior Periods Income Tax Returns EffecetiveIncomeTaxRateReconciliationsPriorPeriodsIncomeTaxReturns	-0.003	pure
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	87769000	USD
CY2015Q4	fbp	Defferred Tax Assets Other Net Operating Losses DefferredTaxAssetsOtherNetOperatingLosses	19400000	USD
CY2015	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	10900000	USD
CY2016Q4	fbp	Fair Value Inputs Default Of Underlying Reference FairValueInputsDefaultOfUnderlyingReference	0.04	pure
CY2015	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	76725000	USD
CY2016Q4	fbp	Preferred Stock Liquidation Value PreferredStockLiquidationValue	36104000	USD
CY2015	us-gaap	Noninterest Income NoninterestIncome	81325000	USD
CY2015Q4	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountEligibleToBeRepledgedByCounterparty	793562000	USD
CY2015	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	-200000000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	471898000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	1144530000	USD
CY2014	us-gaap	Share Based Compensation ShareBasedCompensation	4221000	USD
CY2016	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-29200000	USD
CY2015	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-1703000	USD
CY2014	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	74058000	USD
CY2015Q4	fbp	Investment In Subsidiaries Other Real Estate Owned InvestmentInSubsidiariesOtherRealEstateOwned	2
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	7660000	USD
CY2016	fbp	Dividend Income From Federal Home Land Bank Stock DividendIncomeFromFederalHomeLandBankStock	1500000	USD
CY2016	fbp	Interest Income Pr Governement Obligations Us Treasury Securities And Us Government Agencies InterestIncomePrGovernementObligationsUsTreasurySecuritiesAndUsGovernmentAgencies	17276000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	64421000	USD
CY2016Q4	us-gaap	Interest Receivable InterestReceivable	45453000	USD
CY2016	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	86733000	USD
CY2015	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	20330000	USD
CY2015	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	7451000	USD
CY2014	fbp	Other Than Temporary Impairment Losses Subsequent Unrealized Gain On Debt Securities OtherThanTemporaryImpairmentLossesSubsequentUnrealizedGainOnDebtSecurities	1781000	USD
CY2015	fbp	Other Than Temporary Impairment Losses Subsequent Unrealized Gain On Debt Securities OtherThanTemporaryImpairmentLossesSubsequentUnrealizedGainOnDebtSecurities	-16841000	USD
CY2015	us-gaap	Depreciation Nonproduction DepreciationNonproduction	21060000	USD
CY2014	us-gaap	Depreciation Nonproduction DepreciationNonproduction	20983000	USD
CY2016	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	390286000	USD
CY2014	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-2939000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	83194000	USD
CY2016	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2016	fbp	Other Fees And Commissions Credit Cards OtherFeesAndCommissionsCreditCards	5920000	USD
CY2016	fbp	Automated Teller Machine And Point Of Sale Fees AutomatedTellerMachineAndPointOfSaleFees	8462000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-569000	USD
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Deductions Other EffectiveIncomeTaxRateReconciliationDeductionsOther	-0.109	pure
CY2015Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	10714000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2016	fbp	Exchange Of Preferred Stock Series Throguh E For Common Stock ExchangeOfPreferredStockSeriesThroguhEForCommonStock	0	USD
CY2016Q4	us-gaap	Transfers Of Financial Assets Accounted For As Sale Initial Fair Value Of Liabilities Incurred TransfersOfFinancialAssetsAccountedForAsSaleInitialFairValueOfLiabilitiesIncurred	338300000	USD
CY2016	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	2228
CY2014	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	164108000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	366915000	USD
CY2016	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	5260000	USD
CY2015	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Period Increase Decrease ValuationAllowanceForImpairmentOfRecognizedServicingAssetsPeriodIncreaseDecrease	-228000	USD
CY2015	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	7727000	USD
CY2016	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	8535000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	1208000	USD
CY2015Q4	us-gaap	Land Land	26932000	USD
CY2014	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsRecoveries	115000	USD
CY2016Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	29664000	USD
CY2016Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	115771000	USD
CY2014	fbp	Exchange Of Preferred Stock Series Throguh E For Common Stock ExchangeOfPreferredStockSeriesThroguhEForCommonStock	26022000	USD
CY2015	fbp	Other Expense Not Allocated OtherExpenseNotAllocated	103873000	USD
CY2012	fbp	Line Of Credit Facility Provided To Fund Unfunded Commitments LineOfCreditFacilityProvidedToFundUnfundedCommitments	80000000	USD
CY2011Q1	fbp	Maturity Period Of Loan Acquired MaturityPeriodOfLoanAcquired	P7Y0M0D
CY2016Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	402077000	USD
CY2015	us-gaap	Interest Expense Domestic Deposit Liabilities Checking InterestExpenseDomesticDepositLiabilitiesChecking	5440000	USD
CY2015Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	146801000	USD
CY2016	fbp	Net Loss On Real Estate Owned Operations NetLossOnRealEstateOwnedOperations	11533000	USD
CY2014	us-gaap	Other Noninterest Expense OtherNoninterestExpense	19039000	USD
CY2014	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	30491000	USD
CY2016	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-2934000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	821683000	USD
CY2016	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	748842000	USD
CY2016Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInDiscountRate	2708000	USD
CY2015Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	2356245000	USD
CY2016	fbp	Maximum Loan To Value Ratio MaximumLoanToValueRatio	0.8	pure
CY2016	fbp	Proceeds From Loans Originated Or Purchased ProceedsFromLoansOriginatedOrPurchased	2813253000	USD
CY2014	us-gaap	Other General Expense OtherGeneralExpense	6348000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	-14995000	USD
CY2016	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeCashBasisMethod	3060000	USD
CY2016Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1254189	shares
CY2015Q4	fbp	Certain Loans Acquired In Transfer Accounted For As Debt Securities Carrying Amount CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesCarryingAmount	173913000	USD
CY2016Q4	us-gaap	Loans Receivable Commercial Development LoansReceivableCommercialDevelopment	31766000	USD
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	-0.004	pure
CY2016	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	212000	USD
CY2016	fbp	Percentage Of National Gross Receipt Tax Net PercentageOfNationalGrossReceiptTaxNet	0	pure
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Legal Settlements DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements	2953000	USD
CY2016	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	11300000	USD
CY2015Q4	invest	Derivative Notional Amount DerivativeNotionalAmount	271632000	USD
CY2015	fbp	Impaired Loans Transferred To Held For Sale ImpairedLoansTransferredToHeldForSale	-40005000	USD
CY2016Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance	207300000	USD
CY2015	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	64116000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	1252000	USD
CY2014	fbp	Other Expense Not Allocated OtherExpenseNotAllocated	94273000	USD
CY2016	fbp	Weighted Average Rate Time Deposits WeightedAverageRateTimeDeposits	0.0095	pure
CY2015Q4	fbp	Cash Pledged As Collateral CashPledgedAsCollateral	8800000	USD
CY2015Q4	fbp	Carrying Value Of Other Equity Security CarryingValueOfOtherEquitySecurity	900000	USD
CY2015Q4	fbp	Fha Va Loans No Longer Accruing Interest FhaVaLoansNoLongerAccruingInterest	37300000	USD
CY2015	fbp	Other Than Temporary Impairment Not Credit Losses Recognized In Earnings Additions No Previous Impairment OtherThanTemporaryImpairmentNotCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment	19289000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	50801000	USD
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	-0.002	pure
CY2014	fbp	Income Tax Rate Reconciliation Nol Carryforwards IncomeTaxRateReconciliationNOLCarryforwards	0	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Unearned Premiums Reserve DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve	724000	USD
CY2014	fbp	Noncash Loan Securitizations NoncashLoanSecuritizations	198712000	USD
CY2014	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	0	USD
CY2016	fbp	Common Stock Issued In Exchange For Trust Preferred Securities Value CommonStockIssuedInExchangeForTrustPreferredSecuritiesValue	0	USD
CY2015Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	921000	USD
CY2015	fbp	Segment Reporting Information Average Earning Assets SegmentReportingInformationAverageEarningAssets	11862290000	USD
CY2016Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	1444146	shares
CY2015	fbp	Insurance And Supervisory Fees InsuranceAndSupervisoryFees	29021000	USD
CY2015	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	2148000	USD
CY2016	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	0	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	752458000	USD
CY2016	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	700000	USD
CY2016Q4	fbp	Securities Weighted Average Yield SecuritiesWeightedAverageYield	0.0214	pure
CY2015Q4	us-gaap	Loans And Leases Receivable Impaired Nonperforming Nonaccrual Of Interest LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest	442773000	USD
CY2016	dei	Entity Central Index Key EntityCentralIndexKey	0001057706
CY2016	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	150828000	USD
CY2016	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0
CY2015	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
CY2016	fbp	Amortization Of Premiums And Discounts On Deferred Loan Fees And Costs AmortizationOfPremiumsAndDiscountsOnDeferredLoanFeesAndCosts	-8819000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	438979000	USD
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	212971000	shares
CY2014	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	233046000	USD
CY2014	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-402641000	USD
CY2014	fbp	Proceeds From Repayments Of Federal Home Loan Bank Advances ProceedsFromRepaymentsOfFederalHomeLoanBankAdvances	25000000	USD
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1173000	USD
CY2016Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	1484155000	USD
CY2015	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	7379000	USD
CY2014	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2016	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions Additional Credit Losses OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses	6687000	USD
CY2015	fbp	Dividend Income From Federal Home Land Bank Stock DividendIncomeFromFederalHomeLandBankStock	1100000	USD
CY2016Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	7839101000	USD
CY2015Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	139987000	USD
CY2015Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	1336559000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	93229000	USD
CY2015	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	12669000	USD
CY2014	us-gaap	Noninterest Income NoninterestIncome	61348000	USD
CY2014	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	262000	USD
CY2014	us-gaap	Proceeds From Sale Of Other Productive Assets ProceedsFromSaleOfOtherProductiveAssets	1320000	USD
CY2016	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	USD
CY2015	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	428348000	USD
CY2016	fbp	Average Weekly Demand Deposit Reserve AverageWeeklyDemandDepositReserve	276200000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	1333000	USD
CY2015	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	222381	shares
CY2016Q4	fbp	Deferred Tax Assets Settlement Payment Closing Agreement DeferredTaxAssetsSettlementPaymentClosingAgreement	7313000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2016	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	1443000	USD
CY2014	fbp	Segment Reporting Information Average Non Earning Assets SegmentReportingInformationAverageNonEarningAssets	598570000	USD
CY2016	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2015Q4	us-gaap	Liabilities Liabilities	10878885000	USD
CY2015Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	737922000	USD
CY2015Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	219473000	USD
CY2015Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	216051128	shares
CY2015	fbp	Proceeds From Repayments Of Federal Home Loan Bank Advances ProceedsFromRepaymentsOfFederalHomeLoanBankAdvances	130000000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	1249245000	USD
CY2015Q4	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	793562000	USD
CY2015Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	700000000	USD
CY2015	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	172045000	USD
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.89
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	23879000	USD
CY2016	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	56369000	USD
CY2015Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	52581000	USD
CY2016	fbp	Financing Receivable Allowance For Credit Losses Net Write Offs Impaired Loans FinancingReceivableAllowanceForCreditLossesNetWriteOffsImpairedLoans	66855000	USD
CY2014Q4	fbp	Certain Loans Acquired In Transfer Accounted For As Debt Securities Carrying Amount CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesCarryingAmount	102604000	USD
CY2016	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	86106000	USD
CY2016Q4	fbp	Loans And Lease Receivables Not Impaired Carrying Amount LoansAndLeaseReceivablesNotImpairedCarryingAmount	7833150000	USD
CY2015Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	1886395000	USD
CY2016Q4	us-gaap	Treasury Stock Value TreasuryStockValue	125000	USD
CY2016Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2016	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	3365000	USD
CY2015	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	502266000	USD
CY2016	fbp	Credit And Debit Processing Fees CreditAndDebitProcessingFees	13635000	USD
CY2014	fbp	Amortization Of Broker Placement Fees AmortizationOfBrokerPlacementFees	6662000	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	12456000	USD
CY2016	fbp	Loan Value Deliquency Threshold To Be Valued At Fair Value Percent LoanValueDeliquencyThresholdToBeValuedAtFairValuePercent	0.6	pure
CY2016	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2016
CY2015Q4	us-gaap	Assets Assets	12573019000	USD
CY2015Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	926348000	USD
CY2016Q4	us-gaap	Securities Owned Not Readily Marketable SecuritiesOwnedNotReadilyMarketable	42992000	USD
CY2015	us-gaap	Impairment Of Investments ImpairmentOfInvestments	35806000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	80000	USD
CY2015	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	25600000	USD
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	160.3
CY2016	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P0Y1M6D
CY2014	us-gaap	Noninterest Income Other NoninterestIncomeOther	6763000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses	3178000	USD
CY2016Q4	us-gaap	Derivative Assets DerivativeAssets	554000	USD
CY2015	fbp	Direct Non Interest Expenses DirectNonInterestExpenses	279957000	USD
CY2016Q4	fbp	Advance Line Of Credit Facility Provided Amount Outstanding AdvanceLineOfCreditFacilityProvidedAmountOutstanding	8600000	USD
CY2016	us-gaap	Debt Instrument Description Of Variable Rate Basis DebtInstrumentDescriptionOfVariableRateBasis	90-day LIBOR
CY2014	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	26371000	USD
CY2016	us-gaap	Fair Value Inputs Discount Rate FairValueInputsDiscountRate	0.141	pure
CY2016	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.286	pure
CY2016Q4	fbp	Deferred Tax Liabilities Unrealized Gain On Other Investments DeferredTaxLiabilitiesUnrealizedGainOnOtherInvestments	468000	USD
CY2015	fbp	Exchange Of Preferred Stock Series Throguh E For Common Stock ExchangeOfPreferredStockSeriesThroguhEForCommonStock	0	USD
CY2015Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	917167000	USD
CY2014	fbp	Impaired Financing Receivable Increases During Period ImpairedFinancingReceivableIncreasesDuringPeriod	5028000	USD
CY2015Q2	fbp	Other Real Estate Owned Sold OtherRealEstateOwnedSold	2900000	USD
CY2015	fbp	Foreclosures Of Troubled Debt Restructurings ForeclosuresOfTroubledDebtRestructurings	39706000	USD
CY2016Q4	fbp	Deferred Tax Assets Unrealized Net Loss On Equity Investments DeferredTaxAssetsUnrealizedNetLossOnEquityInvestments	187000	USD
CY2015	fbp	Noncash Loan Securitizations NoncashLoanSecuritizations	285995000	USD
CY2014	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	48601000	USD
CY2014	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	92266000	USD
CY2016Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	1881920000	USD
CY2016Q4	us-gaap	Deposits Deposits	8831205000	USD
CY2016	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	484118000	USD
CY2016	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	15139000	USD
CY2015	us-gaap	Interest Expense InterestExpense	103303000	USD
CY2014	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	518073000	USD
CY2014	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	3561000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	86588000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	1028945000	USD
CY2014	fbp	Impaired Loans Transferred To Held For Sale ImpairedLoansTransferredToHeldForSale	0	USD
CY2014Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	55205000	USD
CY2015Q4	fbp	Purchased Credit Impaired Loans Recorded Investment30 To59 Days Past Due PurchasedCreditImpairedLoansRecordedInvestment30To59DaysPastDue	0	USD
CY2016	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	11533000	USD
CY2015	fbp	Financing Receivable Modifications New Troubled Debt Restructurings FinancingReceivableModificationsNewTroubledDebtRestructurings	111890000	USD
CY2016	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	175499000	USD
CY2015	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	826030000	USD
CY2016	fbp	Financing Receivable Allowance For Credit Losses Write Offs Impaired Loans FinancingReceivableAllowanceForCreditLossesWriteOffsImpairedLoans	67210000	USD
CY2015Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	699270000	USD
CY2014	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	2462
CY2016	fbp	Late Charges And Prepayment Penalties LateChargesAndPrepaymentPenalties	674000	USD
CY2016	us-gaap	Schedule Of Repurchase Agreements ScheduleOfRepurchaseAgreements	<div><table style='border-collapse:collapse;' ><tr style='height:9pt;' ><td style='width:22.5pt;text-align:left;vertical-align:bottom;border-color:Black;min-width:22.5pt;' ><font style='font-family:Arial;font-size:10pt;color:#000000;' ></font></td><td style='width:322.5pt;text-align:left;vertical-align:bottom;border-color:Black;min-width:322.5pt;' ><font style='font-family:Arial;font-size:10pt;color:#000000;' ></font></td><td style='width:9pt;text-align:left;vertical-align:bottom;border-color:Black;min-width:9pt;' ><font style='font-family:Arial;font-size:10pt;color:#000000;' ></font></td><td style='width:56.25pt;text-align:left;vertical-align:bottom;border-color:Black;min-width:56.25pt;' ><font style='font-family:Arial;font-size:10pt;color:#000000;' ></font></td><td style='width:15pt;text-align:left;vertical-align:bottom;border-color:Black;min-width:15pt;' ><font style='font-family:Arial;font-size:10pt;color:#000000;' ></font></td><td style='width:9pt;text-align:left;vertical-align:bottom;border-color:Black;min-width:9pt;' ><font style='font-family:Arial;font-size:10pt;color:#000000;' ></font></td><td style='width:56.25pt;text-align:left;vertical-align:bottom;border-color:Black;min-width:56.25pt;' ><font style='font-family:Arial;font-size:10pt;color:#000000;' ></font></td></tr><tr style='height:12.75pt;' ><td style='width:22.5pt;text-align:left;vertical-align:bottom;border-color:Black;min-width:22.5pt;' ><font style='font-family:Arial;font-size:10pt;color:#000000;' ></font></td><td style='width:322.5pt;text-align:left;vertical-align:bottom;border-color:Black;min-width:322.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td colspan='5' rowspan='1' style='width:145.5pt;border-bottom-style:solid;border-bottom-width:1;text-align:center;vertical-align:bottom;border-color:Black;min-width:145.5pt;' ><font style='font-family:Times New Roman;font-size:9pt;font-weight:bold;color:#000000;' >December, 31</font></td></tr><tr style='height:12.75pt;' ><td style='width:22.5pt;text-align:left;vertical-align:bottom;border-color:Black;min-width:22.5pt;' ><font style='font-family:Arial;font-size:10pt;color:#000000;' ></font></td><td style='width:322.5pt;text-align:left;vertical-align:bottom;border-color:Black;min-width:322.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td colspan='2' rowspan='1' style='width:65.25pt;border-top-style:solid;border-top-width:1;border-bottom-style:solid;border-bottom-width:1;text-align:center;vertical-align:bottom;border-color:Black;min-width:65.25pt;' ><font style='font-family:Times New Roman;font-size:9pt;font-weight:bold;color:#000000;' >2016</font></td><td style='width:15pt;border-top-style:solid;border-top-width:1;text-align:left;vertical-align:bottom;border-color:Black;min-width:15pt;' ><font style='font-family:Times New Roman;font-size:9pt;font-weight:bold;color:#000000;' ></font></td><td colspan='2' rowspan='1' style='width:65.25pt;border-top-style:solid;border-top-width:1;border-bottom-style:solid;border-bottom-width:1;text-align:center;vertical-align:bottom;border-color:Black;min-width:65.25pt;' ><font style='font-family:Times New Roman;font-size:9pt;font-weight:bold;color:#000000;' >2015</font></td></tr><tr style='height:9pt;' ><td style='width:22.5pt;text-align:left;vertical-align:middle;border-color:Black;min-width:22.5pt;' ><font style='font-family:Arial;font-size:10pt;color:#000000;' ></font></td><td style='width:322.5pt;text-align:left;vertical-align:middle;border-color:Black;min-width:322.5pt;' ><font style='font-family:Times New Roman;font-size:9pt;color:#000000;' >(Dollars in thousands)</font></td><td style='width:9pt;text-align:left;vertical-align:middle;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:9pt;color:#000000;' ></font></td><td style='width:56.25pt;text-align:left;vertical-align:middle;border-color:Black;min-width:56.25pt;' ><font style='font-family:Times New Roman;font-size:9pt;color:#000000;' ></font></td><td style='width:15pt;text-align:left;vertical-align:middle;border-color:Black;min-width:15pt;' ><font style='font-family:Times New Roman;font-size:9pt;color:#000000;' ></font></td><td style='width:9pt;text-align:left;vertical-align:middle;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:9pt;color:#000000;' ></font></td><td style='width:56.25pt;text-align:left;vertical-align:middle;border-color:Black;min-width:56.25pt;' ><font style='font-family:Arial;font-size:10pt;color:#000000;' ></font></td></tr><tr style='height:9pt;' ><td style='width:22.5pt;text-align:left;vertical-align:middle;border-color:Black;min-width:22.5pt;' ><font style='font-family:Arial;font-size:10pt;color:#000000;' ></font></td><td style='width:322.5pt;text-align:left;vertical-align:middle;border-color:Black;min-width:322.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:9pt;text-align:left;vertical-align:middle;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:56.25pt;text-align:left;vertical-align:middle;border-color:Black;min-width:56.25pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:15pt;text-align:left;vertical-align:middle;border-color:Black;min-width:15pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:9pt;text-align:left;vertical-align:middle;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:56.25pt;text-align:left;vertical-align:middle;border-color:Black;min-width:56.25pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td></tr><tr style='height:12.75pt;' ><td style='width:22.5pt;text-align:left;vertical-align:middle;border-color:Black;min-width:22.5pt;' ><font style='font-family:Arial;font-size:10pt;color:#000000;' ></font></td><td style='width:322.5pt;text-align:left;vertical-align:middle;background-color:#CCEEFF;border-color:Black;min-width:322.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >Repurchase agreements, interest ranging from 1.96% to 2.83%</font></td><td style='width:9pt;text-align:left;vertical-align:middle;background-color:#CCEEFF;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:56.25pt;text-align:left;vertical-align:middle;background-color:#CCEEFF;border-color:Black;min-width:56.25pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:15pt;text-align:left;vertical-align:middle;background-color:#CCEEFF;border-color:Black;min-width:15pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:9pt;text-align:left;vertical-align:middle;background-color:#CCEEFF;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:56.25pt;text-align:left;vertical-align:middle;background-color:#CCEEFF;border-color:Black;min-width:56.25pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td></tr><tr style='height:12.75pt;' ><td style='width:22.5pt;text-align:left;vertical-align:middle;border-color:Black;min-width:22.5pt;' ><font style='font-family:Arial;font-size:10pt;color:#000000;' ></font></td><td style='width:322.5pt;text-align:left;vertical-align:top;background-color:#CCEEFF;border-color:Black;min-width:322.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' > (December 31, 2015: 1.96% to 3.41%) </font><font style='font-family:Times New Roman;font-size:7.5pt;color:#000000;' >(1)(2)</font></td><td style='width:9pt;text-align:center;vertical-align:middle;background-color:#CCEEFF;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >$</font></td><td style='width:56.25pt;text-align:right;vertical-align:middle;background-color:#CCEEFF;border-color:Black;min-width:56.25pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >300,000</font></td><td style='width:15pt;text-align:left;vertical-align:middle;background-color:#CCEEFF;border-color:Black;min-width:15pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:9pt;text-align:center;vertical-align:middle;background-color:#CCEEFF;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >$</font></td><td style='width:56.25pt;text-align:right;vertical-align:middle;background-color:#CCEEFF;border-color:Black;min-width:56.25pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >700,000</font></td></tr><tr style='height:7.5pt;' ><td style='width:22.5pt;text-align:left;vertical-align:middle;border-color:Black;min-width:22.5pt;' ><font style='font-family:Arial;font-size:10pt;color:#000000;' ></font></td><td style='width:322.5pt;text-align:left;vertical-align:middle;border-color:Black;min-width:322.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:9pt;text-align:left;vertical-align:middle;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:56.25pt;text-align:left;vertical-align:middle;border-color:Black;min-width:56.25pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:15pt;text-align:left;vertical-align:middle;border-color:Black;min-width:15pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:9pt;text-align:left;vertical-align:middle;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:56.25pt;text-align:left;vertical-align:middle;border-color:Black;min-width:56.25pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td></tr><tr style='height:7.5pt;' ><td style='width:22.5pt;text-align:right;vertical-align:top;border-color:Black;min-width:22.5pt;' ><font style='font-family:Times New Roman;font-size:7.5pt;color:#000000;' >(1)</font></td><td colspan='6' rowspan='1' style='width:468pt;text-align:left;vertical-align:middle;border-color:Black;min-width:468pt;' ><font style='font-family:Times New Roman;font-size:7.5pt;color:#000000;' > Reported net of securities purchased under agreements to repurchase (reverse repurchase agreements) by counterparty, when applicable, pursuant to ASC 210-20-45-11.</font></td></tr><tr style='height:3.75pt;' ><td style='width:22.5pt;text-align:left;vertical-align:middle;border-color:Black;min-width:22.5pt;' ><font style='font-family:Arial;font-size:7.5pt;color:#000000;' ></font></td><td style='width:322.5pt;text-align:left;vertical-align:middle;border-color:Black;min-width:322.5pt;' ><font style='font-family:Times New Roman;font-size:7.5pt;color:#000000;' ></font></td><td style='width:9pt;text-align:left;vertical-align:middle;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:7.5pt;color:#000000;' ></font></td><td style='width:56.25pt;text-align:left;vertical-align:middle;border-color:Black;min-width:56.25pt;' ><font style='font-family:Times New Roman;font-size:7.5pt;color:#000000;' ></font></td><td style='width:15pt;text-align:left;vertical-align:middle;border-color:Black;min-width:15pt;' ><font style='font-family:Times New Roman;font-size:7.5pt;color:#000000;' ></font></td><td style='width:9pt;text-align:left;vertical-align:middle;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:7.5pt;color:#000000;' ></font></td><td style='width:56.25pt;text-align:left;vertical-align:middle;border-color:Black;min-width:56.25pt;' ><font style='font-family:Times New Roman;font-size:7.5pt;color:#000000;' ></font></td></tr><tr style='height:7.5pt;' ><td style='width:22.5pt;text-align:right;vertical-align:top;border-color:Black;min-width:22.5pt;' ><font style='font-family:Times New Roman;font-size:7.5pt;color:#000000;' >(2)</font></td><td colspan='6' rowspan='1' style='width:468pt;text-align:left;vertical-align:middle;border-color:Black;min-width:468pt;' ><font style='font-family:Times New Roman;font-size:7.5pt;color:#000000;' >As of December 31, 2016, includes $200 million that have an average rate of 2.11% and that are callable by lenders before their contractual maturities at various dates beginning on January 19, 2017. Subsequent to December 31, 2016, no lender has exercised its call option on repurchase agreements. In addition, $100 million is tied to variable rates.</font></td></tr><tr style='height:9pt;' ><td style='width:22.5pt;text-align:left;vertical-align:bottom;border-color:Black;min-width:22.5pt;' ><font style='font-family:Arial;font-size:10pt;color:#000000;' ></font></td><td style='width:322.5pt;text-align:left;vertical-align:middle;border-color:Black;min-width:322.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:9pt;text-align:left;vertical-align:middle;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:56.25pt;text-align:left;vertical-align:middle;border-color:Black;min-width:56.25pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:15pt;text-align:left;vertical-align:middle;border-color:Black;min-width:15pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:9pt;text-align:left;vertical-align:middle;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:56.25pt;text-align:left;vertical-align:middle;border-color:Black;min-width:56.25pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td></tr></table></div>
CY2015Q4	us-gaap	Federal Home Loan Bank Advances FederalHomeLoanBankAdvances	455000000	USD
CY2014	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	5361000	USD
CY2016	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2017Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	217509055	shares
CY2015Q4	us-gaap	Interest Receivable InterestReceivable	48697000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	1694134000	USD
CY2014	fbp	Adjustment To Servicing Assets For Loans Repurchased AdjustmentToServicingAssetsForLoansRepurchased	86000	USD
CY2015	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	7211000	USD
CY2016	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	7606000	USD
CY2015	fbp	Other Fees And Commissions Credit Cards OtherFeesAndCommissionsCreditCards	6220000	USD
CY2015	us-gaap	Other General Expense OtherGeneralExpense	8152000	USD
CY2014	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	5524000	USD
CY2016Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	50006000	USD
CY2016	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	585292000	USD
CY2015	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	54850000	USD
CY2014	us-gaap	Interest Expense Deposits InterestExpenseDeposits	78127000	USD
CY2015	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Period Increase Decrease OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsPeriodIncreaseDecrease	16517000	USD
CY2014	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4943000	USD
CY2015	us-gaap	Servicing Fees Net ServicingFeesNet	4340000	USD
CY2016Q4	fbp	Certificate Of Deposits Denominations CertificateOfDepositsDenominations	100000	USD
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	0	USD
CY2015Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	962430	shares
CY2016	fbp	Gain Loss On Sale Of Loans Held For Sale GainLossOnSaleOfLoansHeldForSale	0	USD
CY2016	fbp	Effective Income Tax Rate Reconciliations Nol Carryforwards EffectiveIncomeTaxRateReconciliationsNOLCarryforwards	-0.049	pure
CY2015Q4	fbp	Deferred Tax Assets Unrealized Net Loss On Reo Valuation DeferredTaxAssetsUnrealizedNetLossOnReoValuation	11633000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	281657000	USD
CY2014	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-302900000	USD
CY2014	fbp	National Receipt Tax Net NationalReceiptTaxNet	-628000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	296369000	USD
CY2015	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	23528000	USD
CY2014Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	945407000	USD
CY2016Q4	fbp	Purchased Credit Impaired Loans Recorded Investment30 To59 Days Past Due PurchasedCreditImpairedLoansRecordedInvestment30To59DaysPastDue	0	USD
CY2015Q2	fbp	Pre Tax Loss Bulk Sale PreTaxLossBulkSale	48700000	USD
CY2015	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	2585
CY2015Q4	fbp	Loans And Lease Receivables Not Impaired Carrying Amount LoansAndLeaseReceivablesNotImpairedCarryingAmount	8131960000	USD
CY2016	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	146000	USD
CY2016Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	165386000	USD
CY2014Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	16961000	USD
CY2015	fbp	Average Weekly Demand Deposit Reserve AverageWeeklyDemandDepositReserve	251700000	USD
CY2016	fbp	Other Than Temporary Impairment Not Credit Losses Recognized In Earnings Additions No Previous Impairment OtherThanTemporaryImpairmentNotCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment	-4842000	USD
CY2016Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	106809000	USD
CY2016	us-gaap	Loans And Leases Receivable Related Parties Period Increase Decrease LoansAndLeasesReceivableRelatedPartiesPeriodIncreaseDecrease	0	USD
CY2014	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	4321000	USD
CY2016	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsRecoveries	141000	USD
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	-0.002	pure
CY2015Q4	fbp	Deferred Tax Assets Settlement Payment Closing Agreement DeferredTaxAssetsSettlementPaymentClosingAgreement	7313000	USD
CY2015Q4	fbp	Deferred Tax Assets Unrealized Losses On Derivative Activities DeferredTaxAssetsUnrealizedLossesOnDerivativeActivities	48000	USD
CY2015Q4	fbp	Net Deferred Tax Assets Tax Credit Carryforwards And Temporary Differences NetDeferredTaxAssetsTaxCreditCarryforwardsAndTemporaryDifferences	127800000	USD
CY2015	us-gaap	Depreciation And Amortization DepreciationAndAmortization	21100000	USD
CY2016Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	26244000	USD
CY2013Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	212000	USD
CY2015	fbp	All Other Fees AllOtherFees	-161000	USD
CY2014	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1788000	shares
CY2014	fbp	Effecetive Income Tax Rate Reconciliations Prior Periods Income Tax Returns EffecetiveIncomeTaxRateReconciliationsPriorPeriodsIncomeTaxReturns	0	pure
CY2015Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	201706000	USD
CY2015	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	2328000	USD
CY2015Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	614344000	USD
CY2016	fbp	Foreclosures Of Impaired Loans ForeclosuresOfImpairedLoans	36161000	USD
CY2015	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications To Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToNonaccretableDifference	-8794000	USD
CY2016	fbp	Period During Which Credit Card Loans Continue To Accrue Finance Charges And Fees PeriodDuringWhichCreditCardLoansContinueToAccrueFinanceChargesAndFees	P0Y5M27D
CY2015Q4	fbp	Financing Receivable Related General Allowance FinancingReceivableRelatedGeneralAllowance	184167000	USD
CY2013Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	102601000	USD
CY2014	us-gaap	Servicing Fees Net ServicingFeesNet	2971000	USD
CY2016	fbp	Percentage Of Variation In Assumptions PercentageOfVariationInAssumptions	0.1	pure
CY2015	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1514000	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	138
CY2016Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1
CY2015Q4	us-gaap	Treasury Stock Value TreasuryStockValue	96000	USD
CY2015Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	21509000	USD
CY2016Q4	us-gaap	Loans Receivable Net LoansReceivableNet	8731276000	USD
CY2016	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	21297000	USD
CY2014	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	262000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	11899000	USD
CY2015	fbp	Reclassification Adjustement For Other Than Temporary Impairment On Debt Securrities Included In Net Income ReclassificationAdjustementForOtherThanTemporaryImpairmentOnDebtSecurritiesIncludedInNetIncome	-16517000	USD
CY2015Q4	us-gaap	Preferred Stock Value PreferredStockValue	36104000	USD
CY2016	us-gaap	Labor And Related Expense LaborAndRelatedExpense	151493000	USD
CY2014	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	18089000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	796108000	USD
CY2015Q4	fbp	Securities Weighted Average Yield SecuritiesWeightedAverageYield	0.0238	pure
CY2015	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	13660000	USD
CY2014	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	15416000	USD
CY2015	us-gaap	Noninterest Income Other NoninterestIncomeOther	7259000	USD
CY2015	fbp	Lower Of Cost Or Market Adjustment LowerOfCostOrMarketAdjustment	191000	USD
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.04	pure
CY2015	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.39	pure
CY2016Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	14712000	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2015Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	311263000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	378160000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	502000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	86178000	USD
CY2014	us-gaap	Interest Paid InterestPaid	102402000	USD
CY2016	fbp	Other Expense Not Allocated OtherExpenseNotAllocated	101126000	USD
CY2015	fbp	Common Stock Issued In Exchange For Trust Preferred Securities Value CommonStockIssuedInExchangeForTrustPreferredSecuritiesValue	5628000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	37030000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	10370000	USD
CY2016Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	289591000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-34390000	USD
CY2016Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	2800000	USD
CY2015	us-gaap	Interest Expense Deposits InterestExpenseDeposits	69250000	USD
CY2015	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	330221000	USD
CY2015	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	0	USD
CY2016	fbp	Gain On Sale Of Merchant Contracts GainOnSaleOfMerchantContracts	0	USD
CY2016	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	619636000	USD
CY2015	us-gaap	Proceeds From Sale And Collection Of Loans Heldforsale ProceedsFromSaleAndCollectionOfLoansHeldforsale	436461000	USD
CY2016Q4	fbp	Cash Pledged As Collateral CashPledgedAsCollateral	0	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	10735000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	41928000	USD
CY2015	us-gaap	Interest Paid InterestPaid	93053000	USD
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-27749000	USD
CY2016Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	21745000	USD
CY2015	us-gaap	Other Noninterest Expense OtherNoninterestExpense	22229000	USD
CY2014	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	16531000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-9398000	USD
CY2014	fbp	Net Charge Credit For Transfer Of Funds NetChargeCreditForTransferOfFunds	0	USD
CY2014	us-gaap	Revenues Revenues	695297000	USD
CY2016Q4	fbp	Wholy Owned Investments Subsidiaries WholyOwnedInvestmentsSubsidiaries	2
CY2014	fbp	Other Than Temporary Impairment Not Credit Losses Recognized In Earnings Additions No Previous Impairment OtherThanTemporaryImpairmentNotCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment	-388000	USD
CY2014	fbp	Interest Income Pr Governement Obligations Us Treasury Securities And Us Government Agencies InterestIncomePrGovernementObligationsUsTreasurySecuritiesAndUsGovernmentAgencies	14294000	USD
CY2016	dei	Document Type DocumentType	10-K
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	830928000	USD
CY2016Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	216187000	USD
CY2016Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000	shares
CY2016	fbp	Insurance And Supervisory Fees InsuranceAndSupervisoryFees	24920000	USD
CY2015	us-gaap	Occupancy Net OccupancyNet	59295000	USD
CY2016	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Period Increase Decrease OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsPeriodIncreaseDecrease	6687000	USD
CY2015	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	13443000	USD
CY2015	fbp	Amortization Of Premiums And Discounts On Deferred Loan Fees And Costs AmortizationOfPremiumsAndDiscountsOnDeferredLoanFeesAndCosts	-6229000	USD
CY2015	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-673347000	USD
CY2014	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	21000	USD
CY2016	fbp	Loans Past Due LoansPastDue	P0Y0M30D
CY2015	fbp	Dividends On Federal Home Loan Bank Stock DividendsOnFederalHomeLoanBankStock	1075000	USD
CY2015	fbp	Late Charges And Prepayment Penalties LateChargesAndPrepaymentPenalties	765000	USD
CY2015Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	1088651000	USD
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	34326	shares
CY2016	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	100000	USD
CY2014	fbp	Automated Teller Machine And Point Of Sale Fees AutomatedTellerMachineAndPointOfSaleFees	6627000	USD
CY2015	fbp	Provision For Off Balance Sheet Items ProvisionForOffBalanceSheetItems	261000	USD
CY2014	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	117000	USD
CY2016Q4	fbp	Deferred Tax Assets Unrealized Net Loss On Reo Valuation DeferredTaxAssetsUnrealizedNetLossOnReoValuation	11467000	USD
CY2016	fbp	Trust Preferred Securities Exchanged Liquidation Value TrustPreferredSecuritiesExchangedLiquidationValue	0	USD
CY2016	us-gaap	Fair Value Inputs Loss Severity FairValueInputsLossSeverity	0.04	pure
CY2015	fbp	Interest Income Pr Governement Obligations Us Treasury Securities And Us Government Agencies InterestIncomePrGovernementObligationsUsTreasurySecuritiesAndUsGovernmentAgencies	16476000	USD
CY2015	us-gaap	Interest And Other Income InterestAndOtherIncome	56998000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	9112382000	USD
CY2015Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	192165000	USD
CY2015	fbp	Purchased Credit Impaired Loans Principal Collections PurchasedCreditImpairedLoansPrincipalCollections	19572000	USD
CY2016	fbp	Financing Receivable Modifications Increases To Existing Troubled Debt Restructurings FinancingReceivableModificationsIncreasesToExistingTroubledDebtRestructurings	3921000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	1262404000	USD
CY2016	fbp	Percentage Of Weighted Average Yield With Third Party PercentageOfWeightedAverageYieldWithThirdParty	0.024	pure
CY2012	fbp	Working Capital Line Of Credit To Fund Certain Expenses WorkingCapitalLineOfCreditToFundCertainExpenses	20000000	USD
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	34989	shares
CY2016	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	138
CY2015	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	100000	USD
CY2014	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	100000	USD
CY2015Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	217897000	USD
CY2015	fbp	Impaired Financing Receivable Increases During Period ImpairedFinancingReceivableIncreasesDuringPeriod	3340000	USD
CY2016Q4	fbp	Purchased Credit Impaired Loans Recorded Investment Equal To Greater Than90 Days Past Due PurchasedCreditImpairedLoansRecordedInvestmentEqualToGreaterThan90DaysPastDue	28999000	USD
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	3.47	pure
CY2014	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	0	USD
CY2016Q4	us-gaap	Disposal Group Including Discontinued Operation Other Assets DisposalGroupIncludingDiscontinuedOperationOtherAssets	1221000	USD
CY2016	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-78000	USD
CY2015Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance	218100000	USD
CY2015	fbp	Financing Receivable Modifications Sold FinancingReceivableModificationsSold	44048000	USD
CY2014	fbp	Troubled Debt Restructurings Loans Transferred To Held For Sale TroubledDebtRestructuringsLoansTransferredToHeldForSale	0	USD
CY2016	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	86733000	USD
CY2014	fbp	Provision For Off Balance Sheet Items ProvisionForOffBalanceSheetItems	-653000	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-5976000	USD
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Deductions Other EffectiveIncomeTaxRateReconciliationDeductionsOther	0	pure
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	10282000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	8871672000	USD
CY2015	fbp	Base Rate Historical Charge Offs Period BaseRateHistoricalChargeOffsPeriod	P1Y0M0D
CY2016Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	40800000	USD
CY2016	fbp	Interest Income On Investment Securities And Money Market Investments InterestIncomeOnInvestmentSecuritiesAndMoneyMarketInvestments	52816000	USD
CY2014Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	82460000	USD
CY2016Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	6383000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	0	USD
CY2015	fbp	Effective Income Tax Rate Reconciliation Recognition Reversal Of Unrecognized Tax Benefits EffectiveIncomeTaxRateReconciliationRecognitionReversalOfUnrecognizedTaxBenefits	0	pure
CY2015	fbp	National Receipt Tax Net NationalReceiptTaxNet	0	USD
CY2015	fbp	Effective Income Tax Rate Reconciliations Nol Carryforwards EffectiveIncomeTaxRateReconciliationsNOLCarryforwards	-0.278	pure
CY2016Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	8006000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	207216000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Other Assets DisposalGroupIncludingDiscontinuedOperationOtherAssets	0	USD
CY2015	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	164000	USD
CY2016	fbp	Segment Reporting Information Average Earning Assets SegmentReportingInformationAverageEarningAssets	11466576000	USD
CY2016Q4	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountEligibleToBeRepledgedByCounterparty	339390000	USD
CY2016	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	0.04	pure
CY2016	us-gaap	Other General Expense OtherGeneralExpense	8022000	USD
CY2015	fbp	Effecetive Income Tax Rate Reconciliations Prior Periods Income Tax Returns EffecetiveIncomeTaxRateReconciliationsPriorPeriodsIncomeTaxReturns	0.042	pure
CY2016Q2	dei	Entity Public Float EntityPublicFloat	501752414	USD
CY2016Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	931856000	USD
CY2015Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	3000000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	240710000	USD
CY2016Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	22004000	shares
CY2016	us-gaap	Occupancy Net OccupancyNet	55159000	USD
CY2016	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	11419000	USD
CY2014	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	408543000	USD
CY2014	us-gaap	Insurance Investment Income InsuranceInvestmentIncome	6868000	USD
CY2014	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	6812000	USD
CY2015	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-7046000	USD
CY2014	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	66683000	USD
CY2014	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	170419000	USD
CY2016	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2015	fbp	Financing Receivable Modifications Troubled Debt Restructurings Paid Or Partial Paid FinancingReceivableModificationsTroubledDebtRestructuringsPaidOrPartialPaid	37905000	USD
CY2014	fbp	Financing Receivable Modifications Sold FinancingReceivableModificationsSold	4500000	USD
CY2014	us-gaap	Depreciation And Amortization DepreciationAndAmortization	21000000	USD
CY2016Q4	fbp	Balance Of Amortization With Third Party BalanceOfAmortizationWithThirdParty	28800000	USD
CY2016Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	461000	USD
CY2016Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInDiscountRate	1413000	USD
CY2016Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	1075929000	USD
CY2016Q4	us-gaap	Assets Sold Under Agreements To Repurchase Interest Rate AssetsSoldUnderAgreementsToRepurchaseInterestRate	0.0235	pure
CY2016	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-6890000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-744520000	USD
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-43650000	USD
CY2014	fbp	Proceeds From Loans Originated Or Purchased ProceedsFromLoansOriginatedOrPurchased	3423241000	USD
CY2014	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	946000	USD
CY2016	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	219780000	USD
CY2016	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Portion Attributable To Parent Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentAvailableforsaleSecurities	0	USD
CY2015Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	22294000	USD
CY2016	us-gaap	Noninterest Expense NoninterestExpense	355080000	USD
CY2014	us-gaap	Occupancy Net OccupancyNet	58290000	USD
CY2015	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	17217000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	199432000	USD
CY2016	fbp	Proceeds On Sale Of Merchant Contracts ProceedsOnSaleOfMerchantContracts	0	USD
CY2014	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	0	USD
CY2015	us-gaap	Loans And Leases Receivable Related Parties Period Increase Decrease LoansAndLeasesReceivableRelatedPartiesPeriodIncreaseDecrease	6000	USD
CY2016Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	1908557000	USD
CY2016	fbp	Impaired Loans Sold ImpairedLoansSold	8675000	USD
CY2016	fbp	Financing Receivable Modifications Troubled Debt Restructurings Paid Or Partial Paid FinancingReceivableModificationsTroubledDebtRestructuringsPaidOrPartialPaid	54904000	USD
CY2016	fbp	Trouble Debt Restructurings Trial Period TroubleDebtRestructuringsTrialPeriod	P0Y5M27D
CY2015	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	43000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	43302000	USD
CY2015Q4	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	2000000000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	161617000	USD
CY2015	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeCashBasisMethod	4175000	USD
CY2016	fbp	Impaired Financing Receivable Determined During Period ImpairedFinancingReceivableDeterminedDuringPeriod	288202000	USD
CY2016	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	24095000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4310000	USD
CY2016	dei	Document Period End Date DocumentPeriodEndDate	2016-12-31
CY2016	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications To Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToNonaccretableDifference	-9610000	USD
CY2016	fbp	Financing Receivable Modifications New Troubled Debt Restructurings FinancingReceivableModificationsNewTroubledDebtRestructurings	84942000	USD
CY2013Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	630258000	USD
CY2015	fbp	Period During Which Credit Card Loans Continue To Accrue Finance Charges And Fees PeriodDuringWhichCreditCardLoansContinueToAccrueFinanceChargesAndFees	P0Y5M27D
CY2016	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisions	0	USD
CY2016Q4	fbp	Loans Pledged As Collateral Fair Value LoansPledgedAsCollateralFairValue	1400000000	USD
CY2016	fbp	Losses On Sales Of Non Real Estate LossesOnSalesOfNonRealEstate	689000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	365524000	USD
CY2014	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	3156000	USD
CY2015	us-gaap	Merchant Discount Fees MerchantDiscountFees	9510000	USD
CY2014	fbp	Gain Loss On Sale Of Loans Held For Sale GainLossOnSaleOfLoansHeldForSale	0	USD
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.17	pure
CY2015	fbp	Income Tax Rate Reconciliation Prior Periods Income Tax Returns IncomeTaxRateReconciliationPriorPeriodsIncomeTaxReturns	-1174000	USD
CY2016	us-gaap	Interest Expense Deposits InterestExpenseDeposits	67302000	USD
CY2016	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	22965000	USD
CY2016	us-gaap	Insurance Investment Income InsuranceInvestmentIncome	8473000	USD
CY2016	us-gaap	Depreciation Nonproduction DepreciationNonproduction	17649000	USD
CY2015	fbp	Derivatives Instruments And Hedging Activities Loss Gain DerivativesInstrumentsAndHedgingActivitiesLossGain	164000	USD
CY2015	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	19214000	USD
CY2016Q4	fbp	Reserve For Unfunded Loan Commitments ReserveForUnfundedLoanCommitments	1600000	USD
CY2014	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	6355000	USD
CY2016Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	1052030000	USD
CY2016Q4	fbp	Unamortized Broker Placement Fees UnamortizedBrokerPlacementFees	2600000	USD
CY2016	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	28068000	USD
CY2016	fbp	Benefit Plan Expenses Including Employer Contributions BenefitPlanExpensesIncludingEmployerContributions	1100000	USD
CY2014	fbp	Lower Of Cost Or Market Adjustment LowerOfCostOrMarketAdjustment	0	USD
CY2014	fbp	Supplies And Printing Expenses SuppliesAndPrintingExpenses	2140000	USD
CY2016	fbp	Provision For Off Balance Sheet Items ProvisionForOffBalanceSheetItems	1173000	USD
CY2016	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0	pure
CY2014	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.001	pure
CY2015Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	5903000	USD
CY2012Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	24500000	USD
CY2014	fbp	Benefit Plan Expenses Including Employer Contributions BenefitPlanExpensesIncludingEmployerContributions	2200000	USD
CY2016	fbp	Lower Of Cost Or Market Adjustment LowerOfCostOrMarketAdjustment	0	USD
CY2016	fbp	Supplies And Printing Expenses SuppliesAndPrintingExpenses	1502000	USD
CY2015	fbp	Supplies And Printing Expenses SuppliesAndPrintingExpenses	3101000	USD
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0	pure
CY2016	fbp	Noncash Loan Securitizations NoncashLoanSecuritizations	338333000	USD
CY2016Q4	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	600000	USD
CY2016	fbp	Net Charge Credit For Transfer Of Funds NetChargeCreditForTransferOfFunds	0	USD
CY2016	fbp	Segment Reporting Information Average Non Earning Assets SegmentReportingInformationAverageNonEarningAssets	923566000	USD
CY2016	fbp	Financing Receivable Removed From Troubled Debt Restructurings Classification FinancingReceivableRemovedFromTroubledDebtRestructuringsClassification	3031000	USD
CY2016	fbp	Troubled Debt Restructurings Loans Transferred To Held For Sale TroubledDebtRestructuringsLoansTransferredToHeldForSale	0	USD
CY2015	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsRecoveries	57000	USD
CY2014	fbp	Late Charges And Prepayment Penalties LateChargesAndPrepaymentPenalties	695000	USD
CY2016	us-gaap	Interest Expense Domestic Deposit Liabilities Checking InterestExpenseDomesticDepositLiabilitiesChecking	4914000	USD
CY2016	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	12392000	USD
CY2015	fbp	Benefit Plan Expenses Including Employer Contributions BenefitPlanExpensesIncludingEmployerContributions	1400000	USD
CY2016	fbp	Effective Income Tax Rate Reconciliation Recognition Reversal Of Unrecognized Tax Benefits EffectiveIncomeTaxRateReconciliationRecognitionReversalOfUnrecognizedTaxBenefits	0	pure
CY2014	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	193000	USD
CY2016	fbp	Resdiential Mortgage Loans Charge Off ResdientialMortgageLoansChargeOff	P0Y5M27D
CY2015	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Portion Attributable To Parent Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentAvailableforsaleSecurities	0	USD
CY2015	us-gaap	Fair Value Inputs Discount Rate FairValueInputsDiscountRate	0.145	pure
CY2015	fbp	Impaired Loans Sold ImpairedLoansSold	67836000	USD
CY2016Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Allowance For Loan Losses CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLosses	6857000	USD
CY2015	fbp	Financing Receivable Modifications Increases To Existing Troubled Debt Restructurings FinancingReceivableModificationsIncreasesToExistingTroubledDebtRestructurings	1018000	USD
CY2014	fbp	Financing Receivable Modifications Increases To Existing Troubled Debt Restructurings FinancingReceivableModificationsIncreasesToExistingTroubledDebtRestructurings	1903000	USD
CY2014	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	43916000	USD
CY2016Q4	us-gaap	Federal Home Loan Bank Advances FederalHomeLoanBankAdvances	670000000	USD
CY2016	us-gaap	Stock Issued During Period Shares Restricted Stock Award Gross StockIssuedDuringPeriodSharesRestrictedStockAwardGross	1925575	shares
CY2015	fbp	Legal Surplus Amount Additions LegalSurplusAmountAdditions	2800000	USD
CY2016	fbp	Non Deferrable Loan Fees NonDeferrableLoanFees	3346000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	10810000	USD
CY2016Q4	fbp	Deferred Tax Assets Unrealized Losses On Derivative Activities DeferredTaxAssetsUnrealizedLossesOnDerivativeActivities	78000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Legal Settlements DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements	1807000	USD
CY2016Q4	fbp	Minimum Credit Score MinimumCreditScore	700
CY2015	fbp	Interest Income On Investment Securities And Money Market Investments InterestIncomeOnInvestmentSecuritiesAndMoneyMarketInvestments	55923000	USD
CY2014	fbp	Dividends On Federal Home Loan Bank Stock DividendsOnFederalHomeLoanBankStock	1169000	USD
CY2015	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	2072000	USD
CY2015	fbp	Purchased Credit Impaired Loans Foreclosures PurchasedCreditImpairedLoansForeclosures	196000	USD
CY2015Q2	fbp	Bulk Sale Charge Offs BulkSaleChargeOffs	61400000	USD
CY2015Q4	fbp	Transfers From Loansto Other Receivable TransfersFromLoanstoOtherReceivable	8900000	USD
CY2014	fbp	Trust Preferred Securities Exchanged Liquidation Value TrustPreferredSecuritiesExchangedLiquidationValue	0	USD
CY2015Q4	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	800000	USD
CY2016Q4	fbp	Property Plant And Equipment Total Before Land And Cip PropertyPlantAndEquipmentTotalBeforeLandAndCip	117189000	USD
CY2011Q1	fbp	Acquired Equity Interest On Disposal Of Loans Held For Sale AcquiredEquityInterestOnDisposalOfLoansHeldForSale	0.35	pure
CY2015Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	136000	USD
CY2014	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	6999000	USD
CY2016Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	300000000	USD
CY2015	us-gaap	Professional Fees ProfessionalFees	55632000	USD
CY2015	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	22431000	USD
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.1
CY2014	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-7279000	USD
CY2015	fbp	Credit And Debit Processing Fees CreditAndDebitProcessingFees	16177000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-17251000	USD
CY2015	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	64000	USD
CY2016Q4	fbp	Net Deferred Tax Assets Tax Credit Carryforwards And Temporary Differences NetDeferredTaxAssetsTaxCreditCarryforwardsAndTemporaryDifferences	117000000	USD
CY2016	fbp	Segment Reporting Information Other Average Earning Assets SegmentReportingInformationOtherAverageEarningAssets	0	USD
CY2015	fbp	Consolidated Average Assets ConsolidatedAverageAssets	12781553000	USD
CY2014	fbp	Segment Reporting Information Other Average Earning Assets SegmentReportingInformationOtherAverageEarningAssets	1943000	USD
CY2015	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	0	USD
CY2016	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	52628000	USD
CY2015	fbp	Trust Preferred Securities Exchanged Liquidation Value TrustPreferredSecuritiesExchangedLiquidationValue	5303000	USD
CY2015	fbp	Net Charge Credit For Transfer Of Funds NetChargeCreditForTransferOfFunds	0	USD
CY2015	fbp	Segment Reporting Information Average Non Earning Assets SegmentReportingInformationAverageNonEarningAssets	919263000	USD
CY2016	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	10332000	USD
CY2015	fbp	Noninterest Income For Reportable Segments NoninterestIncomeForReportableSegments	67882000	USD
CY2014	fbp	Segment Reporting Information Average Earning Assets SegmentReportingInformationAverageEarningAssets	12046932000	USD
CY2014	fbp	Direct Non Interest Expenses DirectNonInterestExpenses	283980000	USD
CY2015Q4	fbp	Other Investment Securities Available For Sale OtherInvestmentSecuritiesAvailableForSale	1092833000	USD
CY2015Q4	us-gaap	Other Liabilities OtherLiabilities	159269000	USD
CY2015	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	15234000	USD
CY2014	us-gaap	Interest Expense InterestExpense	115876000	USD
CY2016	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	6759000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-9074000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	299685000	USD
CY2016	fbp	Modified Repurchase Agreements Threshold ModifiedRepurchaseAgreementsThreshold	0.1	pure
CY2014	us-gaap	Interest And Other Income InterestAndOtherIncome	62264000	USD
CY2014	fbp	Interest Income On Investment Securities And Money Market Investments InterestIncomeOnInvestmentSecuritiesAndMoneyMarketInvestments	61095000	USD
CY2016	fbp	Accretion Of Premium From Acquisitions AccretionOfPremiumFromAcquisitions	200000	USD
CY2015Q4	fbp	Loans Pledged As Collateral Fair Value LoansPledgedAsCollateralFairValue	1100000000	USD
CY2016Q4	fbp	Provsion For Loan Losses Expensed Impaired Loans ProvsionForLoanLossesExpensedImpairedLoans	78695000	USD
CY2014	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	352
CY2011Q1	fbp	Loans Acquired On Exchange Of Loan Held For Sale LoansAcquiredOnExchangeOfLoanHeldForSale	136100000	USD
CY2015	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Aggregate Write Downs ValuationAllowanceForImpairmentOfRecognizedServicingAssetsAggregateWriteDowns	285000	USD
CY2015Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	2097483000	USD
CY2016Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	2312928000	USD
CY2015	us-gaap	Interest Expense Domestic Deposit Liabilities Brokered InterestExpenseDomesticDepositLiabilitiesBrokered	24904000	USD
CY2014	us-gaap	Income Tax Reconciliation Deductions Other IncomeTaxReconciliationDeductionsOther	0	USD
CY2015Q4	fbp	Deferred Tax Assets Unrealized Net Loss On Equity Investments DeferredTaxAssetsUnrealizedNetLossOnEquityInvestments	6236000	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	9473000	USD
CY2016	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	6687000	USD
CY2015	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5143000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	1331998000	USD
CY2015	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	37800000	USD
CY2016	fbp	Consolidated Average Assets ConsolidatedAverageAssets	12390142000	USD
CY2016	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	84942000	USD
CY2015Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	61089000	USD
CY2016	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	3229000	USD
CY2016	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2976000	shares
CY2015	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	190000	USD
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.003	pure
CY2016	fbp	National Receipt Tax Net NationalReceiptTaxNet	0	USD
CY2015Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	527367000	USD
CY2014	fbp	Impaired Loans Sold ImpairedLoansSold	4500000	USD
CY2014	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	7715000	USD
CY2016	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	2830830000	USD
CY2015	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	250585000	USD
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-452773000	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1132000	USD
CY2016	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	8934000	USD
CY2015	us-gaap	Fair Value Inputs Loss Severity FairValueInputsLossSeverity	0.04	pure
CY2015Q4	fbp	Commercial And Industrial Loans Including Financial Institutions CommercialAndIndustrialLoansIncludingFinancialInstitutions	2246513000	USD
CY2014	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	48900000	USD
CY2016	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	4449000	USD
CY2016Q4	fbp	Purchased Credit Impaired Loans Recorded Investment Current PurchasedCreditImpairedLoansRecordedInvestmentCurrent	124572000	USD
CY2016	fbp	Purchased Credit Impaired Loans Foreclosures PurchasedCreditImpairedLoansForeclosures	2444000	USD
CY2015	fbp	Foreclosures Of Impaired Loans ForeclosuresOfImpairedLoans	57728000	USD
CY2015Q4	fbp	Purchased Credit Impaired Loans Past Due PurchasedCreditImpairedLoansPastDue	39304000	USD
CY2015Q2	fbp	Reserves Allocated To Bulk Sale ReservesAllocatedToBulkSale	15300000	USD
CY2015Q2	fbp	Generalallowanceforloanandleaselossesloanssold Generalallowanceforloanandleaselossesloanssold	15500000	USD
CY2016Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	248335000	USD
CY2015Q2	us-gaap	Conversion Of Stock Shares Issued1 ConversionOfStockSharesIssued1	852831	shares
CY2014Q4	fbp	Shares Of Preferred Stock Exchanged SharesOfPreferredStockExchanged	1077726	shares
CY2014	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-3.282	pure
CY2016	fbp	Income Tax Rate Reconciliation Prior Periods Income Tax Returns IncomeTaxRateReconciliationPriorPeriodsIncomeTaxReturns	434000	USD
CY2014	fbp	Effective Income Tax Rate Reconciliations Nol Carryforwards EffectiveIncomeTaxRateReconciliationsNOLCarryforwards	0	pure
CY2015Q4	fbp	Deferred Tax Liabilities Unrealized Gain On Other Investments DeferredTaxLiabilitiesUnrealizedGainOnOtherInvestments	468000	USD
CY2015Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	14398000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Unearned Premiums Reserve DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve	631000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2015	fbp	Segment Reporting Information Other Average Earning Assets SegmentReportingInformationOtherAverageEarningAssets	0	USD
CY2016	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2015Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	161016000	USD
CY2015Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	12573019000	USD
CY2016Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	10094000	USD
CY2014	fbp	Insurance And Supervisory Fees InsuranceAndSupervisoryFees	39131000	USD
CY2014	fbp	Reclassification Adjustement For Other Than Temporary Impairment On Debt Securrities Included In Net Income ReclassificationAdjustementForOtherThanTemporaryImpairmentOnDebtSecurritiesIncludedInNetIncome	-388000	USD
CY2014	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-3216000	USD
CY2015	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	2969616000	USD
CY2016	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4896000	USD
CY2016	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	-400000000	USD
CY2016	fbp	Dividends On Federal Home Loan Bank Stock DividendsOnFederalHomeLoanBankStock	1454000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	8681270000	USD
CY2016Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	670000000	USD
CY2016	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	7705000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-300649000	USD
CY2015	us-gaap	Insurance Investment Income InsuranceInvestmentIncome	7058000	USD
CY2014	fbp	Threshold For Net Operating Losses Deduction ThresholdForNetOperatingLossesDeduction	0.9	pure
CY2015	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	5891000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-15144000	USD
CY2014	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	3483131000	USD
CY2015	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	217659000	USD
CY2016	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	291759	shares
CY2015	fbp	Financing Receivable Removed From Troubled Debt Restructurings Classification FinancingReceivableRemovedFromTroubledDebtRestructuringsClassification	0	USD
CY2014	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	16075000	USD
CY2016Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	60605000	USD
CY2016	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Aggregate Write Downs ValuationAllowanceForImpairmentOfRecognizedServicingAssetsAggregateWriteDowns	466000	USD
CY2016Q4	us-gaap	Weighted Average Rate Domestic Deposit WeightedAverageRateDomesticDeposit	0.0083	pure
CY2015	fbp	Adjustment To Servicing Assets For Loans Repurchased AdjustmentToServicingAssetsForLoansRepurchased	88000	USD
CY2016	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	3554000	USD
CY2014	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	3384000	USD
CY2016Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	1000000	USD
CY2014	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	459000	USD
CY2016	us-gaap	Merchant Discount Fees MerchantDiscountFees	4095000	USD
CY2014	fbp	Losses On Sales Of Non Real Estate LossesOnSalesOfNonRealEstate	737000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	0	USD
CY2016	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.39	pure
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	0.013	pure
CY2016Q4	us-gaap	Loans And Leases Receivable Impaired Nonperforming Nonaccrual Of Interest LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest	560094000	USD
CY2016	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	1966000	USD
CY2016Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	754300000	USD
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	533	shares
CY2016	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	183.37
CY2014	fbp	Effective Income Tax Rate Reconciliation Recognition Reversal Of Unrecognized Tax Benefits EffectiveIncomeTaxRateReconciliationRecognitionReversalOfUnrecognizedTaxBenefits	0.02	pure
CY2015	us-gaap	Income Tax Reconciliation Deductions Other IncomeTaxReconciliationDeductionsOther	3019000	USD
CY2016	us-gaap	Interest And Other Income InterestAndOtherIncome	54270000	USD
CY2015	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	6503000	USD
CY2015Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Carrying Amount Net CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet	169951000	USD
CY2015Q2	fbp	Professional Fees Bulk Sale ProfessionalFeesBulkSale	900000	USD
CY2016Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	753000	USD
CY2014	fbp	Consolidated Average Assets ConsolidatedAverageAssets	12647445000	USD
CY2015	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-2881000	USD
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Deductions Other EffectiveIncomeTaxRateReconciliationDeductionsOther	-0.006	pure
CY2016Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	15642000	USD
CY2014	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	10600000	USD
CY2016	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	6
CY2015Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	240710000	USD
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	210540000	shares
CY2015	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2015	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.232	pure
CY2016	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	222
CY2014Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	222395000	USD
CY2012Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	21987000	USD
CY2016Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	193899000	USD
CY2016Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	3000000000	USD
CY2016Q4	us-gaap	Secured Debt Repurchase Agreements SecuredDebtRepurchaseAgreements	300000000	USD
CY2015	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	0	USD
CY2014	us-gaap	Merchant Discount Fees MerchantDiscountFees	8181000	USD
CY2016	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	4604000	USD
CY2016Q4	fbp	Purchased Credit Impaired Loans Recorded Investment60 To89 Days Past Due PurchasedCreditImpairedLoansRecordedInvestment60To89DaysPastDue	12247000	USD
CY2016	us-gaap	Valuation Allowances And Reserves Recoveries ValuationAllowancesAndReservesRecoveries	15088000	USD
CY2016	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	136928000	USD
CY2015Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	142872000	USD
CY2014Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	22838000	USD
CY2014	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisions	385000	USD
CY2015Q4	us-gaap	Secured Debt Repurchase Agreements SecuredDebtRepurchaseAgreements	700000000	USD
CY2015Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	841188000	USD
CY2016	fbp	Purchased Credit Impaired Loans Principal Collections PurchasedCreditImpairedLoansPrincipalCollections	17184000	USD
CY2014	fbp	Impaired Financing Receivable Paid Or Partial Payments ImpairedFinancingReceivablePaidOrPartialPayments	111554000	USD
CY2016Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Carrying Amount Net CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet	158961000	USD
CY2015Q4	fbp	Purchased Credit Impaired Loans Recorded Investment Equal To Greater Than90 Days Past Due PurchasedCreditImpairedLoansRecordedInvestmentEqualToGreaterThan90DaysPastDue	23210000	USD
CY2015Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	238734000	USD
CY2015Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	24282000	USD
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	211457000	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	215794000	shares
CY2014	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	346000	USD
CY2016Q4	us-gaap	Preferred Stock Value PreferredStockValue	36104000	USD
CY2016	us-gaap	Other Noninterest Expense OtherNoninterestExpense	20886000	USD
CY2014	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	633949000	USD
CY2014	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	0	USD
CY2016	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	10273000	USD
CY2015Q1	fbp	Branches Doral BranchesDoral	10
CY2016	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	43200000	USD
CY2015Q4	us-gaap	Loans Receivable Commercial Development LoansReceivableCommercialDevelopment	51874000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	503585000	USD
CY2016	fbp	Direct Non Interest Expenses DirectNonInterestExpenses	253954000	USD
CY2015	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	172045000	USD
CY2016Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	139533000	USD
CY2015	fbp	Losses On Sales Of Non Real Estate LossesOnSalesOfNonRealEstate	755000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	0	USD
CY2015	us-gaap	Interest Income Money Market Deposits InterestIncomeMoneyMarketDeposits	2148000	USD
CY2015	fbp	Impaired Financing Receivable Determined During Period ImpairedFinancingReceivableDeterminedDuringPeriod	160837000	USD
CY2016	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Additions CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions	0	USD
CY2016	us-gaap	Income Tax Reconciliation Deductions Other IncomeTaxReconciliationDeductionsOther	727000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	374091000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2015Q4	us-gaap	Derivative Assets DerivativeAssets	806000	USD
CY2016	fbp	Other Income Not Allocated OtherIncomeNotAllocated	0	USD
CY2015	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	4919000	USD
CY2016	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Period Increase Decrease ValuationAllowanceForImpairmentOfRecognizedServicingAssetsPeriodIncreaseDecrease	-325000	USD
CY2015	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisions	147000	USD
CY2016Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInPrepaymentSpeed	758000	USD
CY2015	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	4817000	USD
CY2015	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-1117000	USD
CY2015	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	-365000	USD
CY2016Q4	us-gaap	Land Land	25279000	USD
CY2014	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Period Increase Decrease ValuationAllowanceForImpairmentOfRecognizedServicingAssetsPeriodIncreaseDecrease	-228000	USD
CY2015	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	75279000	USD
CY2016Q4	invest	Derivative Notional Amount DerivativeNotionalAmount	216020000	USD
CY2014	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	936000	USD
CY2015	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	130000	USD
CY2016	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	102000	USD
CY2015Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	162954000	USD
CY2016Q4	fbp	Guarantor Obligation Carrying Value GuarantorObligationCarryingValue	20700000	USD
CY2016Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	1439697000	USD
CY2016Q4	us-gaap	Time Deposits TimeDeposits	3752625000	USD
CY2014	fbp	Non Deferrable Loan Fees NonDeferrableLoanFees	2414000	USD
CY2014	fbp	Other Fees And Commissions Credit Cards OtherFeesAndCommissionsCreditCards	6047000	USD
CY2015	fbp	Automated Teller Machine And Point Of Sale Fees AutomatedTellerMachineAndPointOfSaleFees	7213000	USD
CY2014	fbp	Income Tax Rate Reconciliation Prior Periods Income Tax Returns IncomeTaxRateReconciliationPriorPeriodsIncomeTaxReturns	0	USD
CY2014	fbp	Financing Receivable Allowance For Credit Losses Write Offs Impaired Loans FinancingReceivableAllowanceForCreditLossesWriteOffsImpairedLoans	106154000	USD
CY2015Q4	fbp	Provsion For Loan Losses Expensed Impaired Loans ProvsionForLoanLossesExpensedImpairedLoans	91515000	USD
CY2015Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Allowance For Loan Losses CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLosses	3962000	USD
CY2015Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	661591000	USD
CY2014	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	165744000	USD
CY2015	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	3159000	USD
CY2015Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	3600000000	USD
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	212818000	shares
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	13151000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	1763000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	-9780000	USD
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0	pure
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.104	pure
CY2015Q4	fbp	Deferred Tax Liabilities Differences Between Assigned Values And Tax Bases Of Assets And Liabilities Recognized In Purchase Business Combinations DeferredTaxLiabilitiesDifferencesBetweenAssignedValuesAndTaxBasesOfAssetsAndLiabilitiesRecognizedInPurchaseBusinessCombinations	5712000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	8218000	USD
CY2016	fbp	Cumulative Loss Position Period CumulativeLossPositionPeriod	P3Y0M0D
CY2015Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	17993000	USD
CY2016	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	47808000	USD
CY2014	fbp	Noninterest Income For Reportable Segments NoninterestIncomeForReportableSegments	68627000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	6270000	USD
CY2014	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	7751000	USD
CY2016Q4	fbp	Financial Instruments Ownedand Pledged As Collateral Amount Eligible To Be Repledged By Counterparty Amortized Cost FinancialInstrumentsOwnedandPledgedAsCollateralAmountEligibleToBeRepledgedByCounterpartyAmortizedCost	341557000	USD
CY2015	fbp	Gain Loss On Sale Of Loans Held For Sale GainLossOnSaleOfLoansHeldForSale	-553000	USD
CY2014	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-1070000	USD
CY2015	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.007	pure
CY2015	fbp	Income Tax Rate Reconciliation Nol Carryforwards IncomeTaxRateReconciliationNOLCarryforwards	7717000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	8997000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2015	fbp	Threshold For Net Operating Losses Deduction ThresholdForNetOperatingLossesDeduction	0.8	pure
CY2014	fbp	Other Income Not Allocated OtherIncomeNotAllocated	-7279000	USD
CY2016	us-gaap	Revenues Revenues	673246000	USD
CY2016Q4	fbp	Certain Loans Acquired In Transfer Accounted For As Debt Securities Carrying Amount CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesCarryingAmount	165818000	USD
CY2016	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	924341000	USD
CY2014	fbp	Impaired Financing Receivable Determined During Period ImpairedFinancingReceivableDeterminedDuringPeriod	306390000	USD
CY2015	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	11188000	USD
CY2015	fbp	Loans Considered To Be Defaulted If Borrower Has Failed To Make Payment For Period Or More Than Period LoansConsideredToBeDefaultedIfBorrowerHasFailedToMakePaymentForPeriodOrMoreThanPeriod	P0Y2M29D
CY2015	us-gaap	Valuation Allowances And Reserves Recoveries ValuationAllowancesAndReservesRecoveries	22991000	USD
CY2014Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	55000	USD
CY2016	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Life1 ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageLife1	P8Y6M29D
CY2015Q4	fbp	Financial Instruments Ownedand Pledged As Collateral Amount Eligible To Be Repledged By Counterparty Amortized Cost FinancialInstrumentsOwnedandPledgedAsCollateralAmountEligibleToBeRepledgedByCounterpartyAmortizedCost	797770000	USD
CY2016	fbp	Reserve Fund Replenishment Requirement As Percentage Of Original Capital Contribution ReserveFundReplenishmentRequirementAsPercentageOfOriginalCapitalContribution	0.2	pure
CY2014	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	35738000	USD
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.353	pure
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.115	pure
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses	4438000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	739000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	79330000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2016	fbp	Number Of Subsidiaries From Which Corporation Is Not Able To Utilize Losses NumberOfSubsidiariesFromWhichCorporationIsNotAbleToUtilizeLosses	1
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	7490000	USD
CY2015	us-gaap	Revenues Revenues	686894000	USD
CY2016Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	0	USD
CY2016	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	223000	USD
CY2015	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	0	USD
CY2014	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	0	USD
CY2016Q4	us-gaap	Held To Maturity Securities Pledged As Collateral HeldToMaturitySecuritiesPledgedAsCollateral	0	USD
CY2015Q4	us-gaap	Held To Maturity Securities Pledged As Collateral HeldToMaturitySecuritiesPledgedAsCollateral	0	USD
CY2016Q4	fbp	Other Held To Maturity Securities OtherHeldToMaturitySecurities	156190000	USD
CY2015Q4	fbp	Other Held To Maturity Securities OtherHeldToMaturitySecurities	161483000	USD
CY2016Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	156190000	USD
CY2015Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	161483000	USD
CY2016Q4	fbp	Legal Surplus Amount LegalSurplusAmount	52436000	USD
CY2015Q4	fbp	Legal Surplus Amount LegalSurplusAmount	42798000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	132759000	USD
CY2015Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	131544000	USD
CY2016Q4	us-gaap	Mortgage Loans In Process Of Foreclosure Amount MortgageLoansInProcessOfForeclosureAmount	134200000	USD
CY2016	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	4217000	USD
CY2015	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2014	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2016Q4	fbp	Transfers From Loansto Other Receivable TransfersFromLoanstoOtherReceivable	15000000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	554000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	554000	USD
CY2016Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	USD
CY2016Q4	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	554000	USD
CY2016Q4	us-gaap	Securities Purchased Under Agreements To Resell Gross SecuritiesPurchasedUnderAgreementsToResellGross	200000000	USD
CY2016Q4	us-gaap	Securities Purchased Under Agreements To Resell Liability SecuritiesPurchasedUnderAgreementsToResellLiability	200000000	USD
CY2016Q4	fbp	Securities Purchased Under Agreements To Resell Not Offset SecuritiesPurchasedUnderAgreementsToResellNotOffset	0	USD
CY2016Q4	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Securities SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnSecurities	0	USD
CY2016Q4	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Cash SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnCash	0	USD
CY2016Q4	us-gaap	Securities Purchased Under Agreements To Resell Amount Offset Against Collateral SecuritiesPurchasedUnderAgreementsToResellAmountOffsetAgainstCollateral	0	USD
CY2016Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Gross DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedGross	200554000	USD
CY2016Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Liability DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiability	200000000	USD
CY2016Q4	fbp	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Liability Not Offset DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiabilityNotOffset	554000	USD
CY2016Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Securities DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedCollateralObligationToReturnSecurities	554000	USD
CY2016Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Cash DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedCollateralObligationToReturnCash	0	USD
CY2016Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Amount Offset Against Collateral DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedAmountOffsetAgainstCollateral	0	USD
CY2015Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	806000	USD
CY2015Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	USD
CY2015Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	806000	USD
CY2015Q4	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	806000	USD
CY2015Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	USD
CY2015Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Amount Offset Against Collateral DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedAmountOffsetAgainstCollateral	0	USD
CY2015	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Provision For Loan Losses1 CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesProvisionForLoanLosses1	3962000	USD
CY2015Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	0	USD
CY2015Q4	us-gaap	Securities Purchased Under Agreements To Resell Gross SecuritiesPurchasedUnderAgreementsToResellGross	200000000	USD
CY2015Q4	us-gaap	Securities Purchased Under Agreements To Resell Liability SecuritiesPurchasedUnderAgreementsToResellLiability	200000000	USD
CY2015Q4	fbp	Securities Purchased Under Agreements To Resell Not Offset SecuritiesPurchasedUnderAgreementsToResellNotOffset	0	USD
CY2015Q4	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Securities SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnSecurities	0	USD
CY2015Q4	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Cash SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnCash	0	USD
CY2015Q4	us-gaap	Securities Purchased Under Agreements To Resell Amount Offset Against Collateral SecuritiesPurchasedUnderAgreementsToResellAmountOffsetAgainstCollateral	0	USD
CY2015Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Gross DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedGross	200806000	USD
CY2015Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Liability DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiability	200000000	USD
CY2015Q4	fbp	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Liability Not Offset DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiabilityNotOffset	806000	USD
CY2015Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Securities DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedCollateralObligationToReturnSecurities	806000	USD
CY2015Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Cash DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedCollateralObligationToReturnCash	0	USD
CY2016Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	200000000	USD
CY2016Q4	us-gaap	Securities Borrowed Amount Offset Against Collateral SecuritiesBorrowedAmountOffsetAgainstCollateral	200000000	USD
CY2016Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	0	USD
CY2016Q4	us-gaap	Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral	0	USD
CY2016Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	0	USD
CY2016Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Cash SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash	0	USD
CY2015Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	600000000	USD
CY2015Q4	us-gaap	Securities Borrowed Amount Offset Against Collateral SecuritiesBorrowedAmountOffsetAgainstCollateral	200000000	USD
CY2015Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	400000000	USD
CY2015Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	400000000	USD
CY2015Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Cash SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash	0	USD
CY2015Q4	us-gaap	Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral	0	USD
CY2016	fbp	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Acquired During Period CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriod	0	USD
CY2015	fbp	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Acquired During Period CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriod	79889000	USD
CY2016	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Provision For Loan Losses1 CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesProvisionForLoanLosses1	2895000	USD
CY2014Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Allowance For Loan Losses CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLosses	0	USD
CY2016	fbp	Allowanceforcreditlossesonpurchasedcreditimpairedloanstabletextblock Allowanceforcreditlossesonpurchasedcreditimpairedloanstabletextblock	<div><table style='border-collapse:collapse;' ><tr style='height:15pt;' ><td colspan='7' rowspan='1' style='width:402.75pt;text-align:left;vertical-align:bottom;background-color:#FFFFFF;border-color:Black;min-width:402.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >Changes in the allowance for loan losses related to PCI loans follows:</font></td></tr><tr style='height:15pt;' ><td style='width:13.5pt;text-align:left;vertical-align:bottom;background-color:#FFFFFF;border-color:Black;min-width:13.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:187.5pt;text-align:left;vertical-align:bottom;background-color:#FFFFFF;border-color:Black;min-width:187.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:9pt;text-align:left;vertical-align:top;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:87.75pt;text-align:left;vertical-align:top;border-color:Black;min-width:87.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:7.5pt;text-align:left;vertical-align:top;border-color:Black;min-width:7.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:9pt;text-align:left;vertical-align:top;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:88.5pt;text-align:left;vertical-align:top;border-color:Black;min-width:88.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td></tr><tr style='height:10.5pt;' ><td style='width:13.5pt;text-align:left;vertical-align:bottom;border-color:Black;min-width:13.5pt;' ><font style='font-family:Times New Roman;font-size:11pt;color:#000000;' ></font></td><td style='width:187.5pt;text-align:left;vertical-align:bottom;background-color:#FFFFFF;border-color:Black;min-width:187.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td colspan='2' rowspan='1' style='width:96.75pt;text-align:center;vertical-align:bottom;background-color:#FFFFFF;border-color:Black;min-width:96.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;font-weight:bold;color:#000000;' ></font></td><td style='width:7.5pt;text-align:center;vertical-align:bottom;border-color:Black;min-width:7.5pt;' ><font style='font-family:Times New Roman;font-size:8pt;font-weight:bold;color:#000000;' ></font></td><td colspan='2' rowspan='1' style='width:97.5pt;text-align:center;vertical-align:bottom;border-color:Black;min-width:97.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;font-weight:bold;color:#000000;' ></font></td></tr><tr style='height:12.75pt;' ><td style='width:13.5pt;text-align:left;vertical-align:bottom;border-color:Black;min-width:13.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:187.5pt;text-align:left;vertical-align:middle;border-color:Black;min-width:187.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td colspan='5' rowspan='1' style='width:201.75pt;border-bottom-style:solid;border-bottom-width:1;text-align:center;vertical-align:bottom;background-color:#FFFFFF;border-color:Black;min-width:201.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;font-weight:bold;color:#000000;' >Year ended</font></td></tr><tr style='height:12.75pt;' ><td style='width:13.5pt;text-align:left;vertical-align:bottom;border-color:Black;min-width:13.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:187.5pt;text-align:left;vertical-align:middle;border-color:Black;min-width:187.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td colspan='2' rowspan='1' style='width:96.75pt;border-top-style:solid;border-top-width:1;border-bottom-style:solid;border-bottom-width:1;text-align:center;vertical-align:bottom;background-color:#FFFFFF;border-color:Black;min-width:96.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;font-weight:bold;color:#000000;' >December 31, 2016</font></td><td style='width:7.5pt;border-top-style:solid;border-top-width:1;text-align:left;vertical-align:bottom;border-color:Black;min-width:7.5pt;' ><font style='font-family:Times New Roman;font-size:9pt;color:#000000;' ></font></td><td colspan='2' rowspan='1' style='width:97.5pt;border-top-style:solid;border-top-width:1;border-bottom-style:solid;border-bottom-width:1;text-align:center;vertical-align:bottom;background-color:#FFFFFF;border-color:Black;min-width:97.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;font-weight:bold;color:#000000;' >December 31, 2015</font></td></tr><tr style='height:15pt;' ><td style='width:13.5pt;text-align:left;vertical-align:bottom;border-color:Black;min-width:13.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:187.5pt;text-align:left;vertical-align:bottom;background-color:#FFFFFF;border-color:Black;min-width:187.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td colspan='5' rowspan='1' style='width:201.75pt;text-align:center;vertical-align:bottom;background-color:#FFFFFF;border-color:Black;min-width:201.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td></tr><tr style='height:12pt;' ><td colspan='2' rowspan='1' style='width:201pt;text-align:left;vertical-align:bottom;background-color:#CCEEFF;border-color:Black;min-width:201pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >Balance at beginning of period </font></td><td style='width:9pt;text-align:left;vertical-align:bottom;background-color:#CCEEFF;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >$</font></td><td style='width:87.75pt;text-align:right;vertical-align:bottom;background-color:#CCEEFF;border-color:Black;min-width:87.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >3,962</font></td><td style='width:7.5pt;text-align:left;vertical-align:bottom;background-color:#CCEEFF;border-color:Black;min-width:7.5pt;' ><font style='font-family:Times New Roman;font-size:9pt;color:#000000;' ></font></td><td style='width:9pt;text-align:left;vertical-align:bottom;background-color:#CCEEFF;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >$</font></td><td style='width:88.5pt;text-align:right;vertical-align:bottom;background-color:#CCEEFF;border-color:Black;min-width:88.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >-</font></td></tr><tr style='height:12pt;' ><td colspan='2' rowspan='1' style='width:201pt;text-align:left;vertical-align:bottom;border-color:Black;min-width:201pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >Provision for loan losses</font></td><td style='width:9pt;border-bottom-style:solid;border-bottom-width:1;text-align:center;vertical-align:bottom;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:87.75pt;border-bottom-style:solid;border-bottom-width:1;text-align:right;vertical-align:bottom;border-color:Black;min-width:87.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >2,895</font></td><td style='width:7.5pt;text-align:right;vertical-align:bottom;border-color:Black;min-width:7.5pt;' ><font style='font-family:Times New Roman;font-size:9pt;color:#000000;' ></font></td><td style='width:9pt;border-bottom-style:solid;border-bottom-width:1;text-align:center;vertical-align:bottom;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:88.5pt;border-bottom-style:solid;border-bottom-width:1;text-align:right;vertical-align:bottom;border-color:Black;min-width:88.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >3,962</font></td></tr><tr style='height:12pt;' ><td colspan='2' rowspan='1' style='width:201pt;text-align:left;vertical-align:bottom;background-color:#CCEEFF;border-color:Black;min-width:201pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >Balance at end of period</font></td><td style='width:9pt;border-top-style:solid;border-top-width:1;border-bottom-style:double;border-bottom-width:3;text-align:center;vertical-align:bottom;background-color:#CCEEFF;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >$</font></td><td style='width:87.75pt;border-top-style:solid;border-top-width:1;border-bottom-style:double;border-bottom-width:3;text-align:right;vertical-align:bottom;background-color:#CCEEFF;border-color:Black;min-width:87.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >6,857</font></td><td style='width:7.5pt;text-align:left;vertical-align:bottom;background-color:#CCEEFF;border-color:Black;min-width:7.5pt;' ><font style='font-family:Times New Roman;font-size:11pt;color:#000000;' ></font></td><td style='width:9pt;border-top-style:solid;border-top-width:1;border-bottom-style:double;border-bottom-width:3;text-align:center;vertical-align:bottom;background-color:#CCEEFF;border-color:Black;min-width:9pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >$</font></td><td style='width:88.5pt;border-top-style:solid;border-top-width:1;border-bottom-style:double;border-bottom-width:3;text-align:right;vertical-align:bottom;background-color:#CCEEFF;border-color:Black;min-width:88.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >3,962</font></td></tr></table></div>
CY2016Q4	fbp	Classified And Non Performing Loans Sold ClassifiedAndNonPerformingLoansSold	16300000	USD
CY2016Q4	fbp	Reserves Allocated To Bulk Sale ReservesAllocatedToBulkSale	2800000	USD
CY2016Q4	fbp	Bulk Sale Charge Offs BulkSaleChargeOffs	4600000	USD
CY2016Q4	fbp	Pre Tax Loss Bulk Sale PreTaxLossBulkSale	1800000	USD
CY2015Q2	fbp	Puerto Rico Housing Finance Authority Restricted Net Position PuertoRicoHousingFinanceAuthorityRestrictedNetPosition	77400000	USD
CY2015Q2	fbp	Puerto Rico Housing Finance Authority Covered Loans PuertoRicoHousingFinanceAuthorityCoveredLoans	552000000	USD
CY2015Q2	fbp	Threshold Mortgage Loans Principal Amount Puerto Rico Housing Financing Authority ThresholdMortgageLoansPrincipalAmountPuertoRicoHousingFinancingAuthority	75000000	USD
CY2016	fbp	Mortgage Loans Foreclosure Delinquency Threshold MortgageLoansForeclosureDelinquencyThreshold	P0Y4M0D
CY2016Q4	fbp	Classified And Non Performing Loans Sold Outstanding Balance ClassifiedAndNonPerformingLoansSoldOutstandingBalance	20100000	USD
CY2016	fbp	Reserve Coverage Ratio Commercial Loans ReserveCoverageRatioCommercialLoans	0.17	pure
CY2016Q4	fbp	Purchase Of Common Stock Secondary Offering PurchaseOfCommonStockSecondaryOffering	2700000	shares
CY2016	fbp	Legal Surplus Amount Additions LegalSurplusAmountAdditions	9600000	USD
CY2016	fbp	Percentage Of Dividend Received Deduction From Controlled Subsidiaries PercentageOfDividendReceivedDeductionFromControlledSubsidiaries	1	pure
CY2016	fbp	Percentage Of Dividend Received From Other Taxable Domestic Corporations PercentageOfDividendReceivedFromOtherTaxableDomesticCorporations	0.85	pure
CY2016	fbp	Minimum Percentage Of Bank Net Taxable Income For Paying Income Tax At Normal Rate MinimumPercentageOfBankNetTaxableIncomeForPayingIncomeTaxAtNormalRate	0.2	pure
CY2015Q2	fbp	Accrued Interest Decreases Resulting From Settlements With Taxing Authorities AccruedInterestDecreasesResultingFromSettlementsWithTaxingAuthorities	1300000	USD
CY2014Q4	fbp	National Gross Receipt Tax Amount NationalGrossReceiptTaxAmount	5700000	USD
CY2014Q4	us-gaap	Income Tax Credits And Adjustments IncomeTaxCreditsAndAdjustments	2900000	USD
CY2013	fbp	National Gross Receipt Tax Percent NationalGrossReceiptTaxPercent	0.01	pure
CY2013	fbp	Percentage Income Tax Credits And Adjustments PercentageIncomeTaxCreditsAndAdjustments	0.005	pure
CY2016Q4	us-gaap	Available For Sale Securities Equity Securities AvailableForSaleSecuritiesEquitySecurities	408000	USD
CY2014Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	779147000	USD
CY2016Q4	fbp	Wholy Owned Investments Subsidiaries First Bank WholyOwnedInvestmentsSubsidiariesFirstBank	6
CY2016	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div><p style='text-align:left;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;font-weight:bold;font-style:italic;margin-left:7.2pt;' >Reclassifications</font></p><p style='text-align:justify;line-height:12pt;' ></p><p style='text-align:justify;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;margin-left:11pt;' >During the second quarter of 2016, the Corporation reviewed its historical accounting treatment as loans of its $156.2 million of financing arrangements with Puerto Rico municipalities issued in bond form, but underwritten as loans with</font><font style='font-family:Times New Roman;font-size:10pt;' > features that are typically found in commercial loan transactions. This review came as a result of the determination of the Federal Reserve Board that the transactions must be treated for regulatory reporting purposes as investment securities. The Puerto </font><font style='font-family:Times New Roman;font-size:10pt;' >Rico Municipal Finance Act (“the Act”) requires the designation of financing arrangements obtained by municipalities with maturities greater than 8 years as “special obligation bonds” subject to specific provisions under the Act. The Corporation concluded </font><font style='font-family:Times New Roman;font-size:10pt;' >that the impact of accounting for the transaction as held-to-maturity investment securities rather than loans does not have a material effect on previously reported results of operations, financial condition, or cash flows and, accordingly, these financing</font><font style='font-family:Times New Roman;font-size:10pt;' > arrangements have been accounted for and reported as held-to-maturity investment securities and not as loans since the second quarter of 2016. For purposes of comparability, prior period amounts have been reclassified to conform to the 2016 presentation.</font></p><p style='text-align:left;line-height:12pt;' ></p></div>
CY2016	us-gaap	Use Of Estimates UseOfEstimates	<div><p style='text-align:left;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;font-weight:bold;font-style:italic;margin-left:7.2pt;' >Use of estimates in the preparation of financial statements</font></p><p style='text-align:justify;line-height:12pt;' ></p><p style='text-align:justify;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;margin-left:11pt;' >The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and contingent li</font><font style='font-family:Times New Roman;font-size:10pt;' >abilities as of the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Management has made significant estimates in several areas, including the</font><font style='font-family:Times New Roman;font-size:10pt;' > allowance for loan and lease losses, valuations of investment securities, the fair value of assets acquired, including purchased credit-impaired (PCI) loans, valuations of residential mortgage servicing rights, valuations of other real estate owned (“OREO</font><font style='font-family:Times New Roman;font-size:10pt;' >”) properties, and income taxes, including deferred taxes.</font></p><p style='text-align:left;line-height:12pt;' ></p></div>
CY2015	fbp	Percentage Of National Gross Receipt Tax Net PercentageOfNationalGrossReceiptTaxNet	0	pure
CY2016Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	887905000	USD
CY2016Q1	fbp	Trust Preferred Securities Repurchases TrustPreferredSecuritiesRepurchases	10000000	USD
CY2016Q1	fbp	Trust Preferred Securties Discount TrustPreferredSecurtiesDiscount	0.3	pure
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Debt Securities AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecurities	22372000	USD
CY2016Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	16487000	USD
CY2016Q2	fbp	Interest Expense Accrued Trust Preferred Securities InterestExpenseAccruedTrustPreferredSecurities	31200000	USD
CY2016Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	20752000	USD
CY2015Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	1906391000	USD
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Debt Securities AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecurities	29608000	USD
CY2015Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	23904000	USD
CY2015Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	14292000	USD
CY2015Q4	fbp	Reserve For Unfunded Loan Commitments ReserveForUnfundedLoanCommitments	400000	USD
CY2016	fbp	Gain From Recovery Of Investments Previously Written Off GainFromRecoveryOfInvestmentsPreviouslyWrittenOff	1547000	USD
CY2015	fbp	Gain From Recovery Of Investments Previously Written Off GainFromRecoveryOfInvestmentsPreviouslyWrittenOff	0	USD
CY2014	fbp	Gain From Recovery Of Investments Previously Written Off GainFromRecoveryOfInvestmentsPreviouslyWrittenOff	0	USD
CY2015Q4	fbp	Commercial Loans Collaterized By Real Estate CommercialLoansCollaterizedByRealEstate	973200000	USD
CY2016Q4	fbp	Commercial Loans Collaterized By Real Estate CommercialLoansCollaterizedByRealEstate	853900000	USD
CY2015Q1	us-gaap	Liabilities Fair Value Adjustment LiabilitiesFairValueAdjustment	800000	USD
CY2016	fbp	Portion Of Other Than Temporary Impairment Losses Recognized In Other Comprehensive Income PortionOfOtherThanTemporaryImpairmentLossesRecognizedInOtherComprehensiveIncome	4842000	USD
CY2015	fbp	Portion Of Other Than Temporary Impairment Losses Recognized In Other Comprehensive Income PortionOfOtherThanTemporaryImpairmentLossesRecognizedInOtherComprehensiveIncome	-19289000	USD
CY2014	fbp	Portion Of Other Than Temporary Impairment Losses Recognized In Other Comprehensive Income PortionOfOtherThanTemporaryImpairmentLossesRecognizedInOtherComprehensiveIncome	388000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	130259000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	27716000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	91638000	USD
CY2016Q1	fbp	Trust Preferred Securities Winning Bid TrustPreferredSecuritiesWinningBid	0.7	pure
CY2016Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1908142000	USD
CY2016Q4	us-gaap	Available For Sale Equity Securities Amortized Cost Basis AvailableForSaleEquitySecuritiesAmortizedCostBasis	415000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1881512000	USD
CY2016	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	0	USD
CY2015	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	191000	USD
CY2014	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	0	USD
CY2016	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	USD
CY2015	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	4530000	USD
CY2014	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	USD
CY2016	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	5293000	USD
CY2015	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	5068000	USD
CY2014	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	4617000	USD
CY2016	fbp	Proceeds From Recovery Of Investments Previously Written Off ProceedsFromRecoveryOfInvestmentsPreviouslyWrittenOff	1547000	USD
CY2015	fbp	Proceeds From Recovery Of Investments Previously Written Off ProceedsFromRecoveryOfInvestmentsPreviouslyWrittenOff	0	USD
CY2014	fbp	Proceeds From Recovery Of Investments Previously Written Off ProceedsFromRecoveryOfInvestmentsPreviouslyWrittenOff	0	USD
CY2016	fbp	Payments To Acquire Insurance Contracts PaymentsToAcquireInsuranceContracts	960000	USD
CY2015	fbp	Payments To Acquire Insurance Contracts PaymentsToAcquireInsuranceContracts	0	USD
CY2014	fbp	Payments To Acquire Insurance Contracts PaymentsToAcquireInsuranceContracts	0	USD
CY2016	us-gaap	Payments Of Dividends PaymentsOfDividends	223000	USD
CY2015	us-gaap	Payments Of Dividends PaymentsOfDividends	0	USD
CY2014	us-gaap	Payments Of Dividends PaymentsOfDividends	0	USD
CY2016	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	7025000	USD
CY2015	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	0	USD
CY2014	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	0	USD
CY2015	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions Additional Credit Losses OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses	628000	USD
CY2015	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions No Previous Impairment OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment	15889000	USD
CY2014Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	5777000	USD
CY2016	fbp	Businesscombinationrestrospectiveadjustmentsthreshold Businesscombinationrestrospectiveadjustmentsthreshold	P1Y0M0D
CY2015Q1	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	540339000	USD
CY2015Q1	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	13443000	USD
CY2015Q1	fbp	Business Combination Bargain Purchase After Tax Gain Recognized Amount BusinessCombinationBargainPurchaseAfterTaxGainRecognizedAmount	8200000	USD
CY2015Q1	fbp	Non Sop Unpaid Principal Balance NonSopUnpaidPrincipalBalance	227900000	USD
CY2016Q4	fbp	Time Deposit Maturities Over Six Months To One Year TimeDepositMaturitiesOverSixMonthsToOneYear	961619000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	231385000	USD
CY2015Q1	fbp	Discount On Purchased Credit Impaired Loans DiscountOnPurchasedCreditImpairedLoans	13400000	USD
CY2017Q1	fbp	Secondary Offering Of Common Stock SecondaryOfferingOfCommonStock	23000000	shares
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	118146000	USD
CY2015Q1	fbp	Premium On Loans Acquired PremiumOnLoansAcquired	1300000	USD
CY2015Q1	fbp	Purchased Credit Impaired Loans Acquired PurchasedCreditImpairedLoansAcquired	93300000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	193190000	USD
CY2014	fbp	Gain On Exchange Of Trust Preferred Securities For Common Stock GainOnExchangeOfTrustPreferredSecuritiesForCommonStock	0	USD
CY2016Q4	fbp	Fdic Maximum Insured Amount FdicMaximumInsuredAmount	250000	USD
CY2016Q4	fbp	Time Deposit Maturities Next Three Months TimeDepositMaturitiesNextThreeMonths	609994000	USD
CY2016Q4	fbp	Time Deposit Maturities Over Three Months To Six Months TimeDepositMaturitiesOverThreeMonthsToSixMonths	410852000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	4495000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	3519000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	3067000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	2851000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	2658000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	2066000	USD
CY2016	fbp	Percentageofheldtomaturitysecurities Percentageofheldtomaturitysecurities	0.87	pure
CY2016	fbp	Common Equity Tier1 Capital Conservation Buffer First Year CommonEquityTier1CapitalConservationBufferFirstYear	0.00625	pure
CY2015	fbp	Gain On Exchange Of Trust Preferred Securities For Common Stock GainOnExchangeOfTrustPreferredSecuritiesForCommonStock	267000	USD
CY2016	fbp	Gain On Exchange Of Trust Preferred Securities For Common Stock GainOnExchangeOfTrustPreferredSecuritiesForCommonStock	0	USD
CY2016Q1	fbp	Threshold For Deposits Insurance Assesment Surcharge ThresholdForDepositsInsuranceAssesmentSurcharge	10000000000	USD
CY2016Q1	fbp	Deposits Insurance Surcharge Assesment Base DepositsInsuranceSurchargeAssesmentBase	100	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	19090000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	24034000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	43124000	USD
CY2015Q4	fbp	Overdraftsprearrangedlinesofcredit Overdraftsprearrangedlinesofcredit	32800000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	6803000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	37097000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	43900000	USD
CY2016Q4	fbp	Overdraftsprearrangedlinesofcredit Overdraftsprearrangedlinesofcredit	32900000	USD
CY2016Q4	fbp	Percentage Of Stockholders Equity Exceeded By Securities Issuers PercentageOfStockholdersEquityExceededBySecuritiesIssuers	0.1	pure
	fbp	Decrease Increase Federal Deposit Insurance Corporation Premium Expense DecreaseIncreaseFederalDepositInsuranceCorporationPremiumExpense	1600000	USD
CY2015Q4	us-gaap	Goodwill Goodwill	28100000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	28100000	USD
CY2015Q4	fbp	Business Combination Finite Lived Intangible Assets Net BusinessCombinationFiniteLivedIntangibleAssetsNet	5100000	USD
CY2015	fbp	Accretion Of Premium From Acquisitions AccretionOfPremiumFromAcquisitions	600000	USD
CY2016Q4	fbp	Deferred Tax Asset Pass Through Net Operating Losses DeferredTaxAssetPassThroughNetOperatingLosses	14700000	USD
CY2016Q4	fbp	Proceeds From Sale Of Non Performing Assets Sold ProceedsFromSaleOfNonPerformingAssetsSold	11300000	USD
CY2016Q3	fbp	Puerto Rico Government Development Bank Interest Payment Default PuertoRicoGovernmentDevelopmentBankInterestPaymentDefault	28000000	USD
CY2016Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.1
CY2015Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.1
CY2014	fbp	Percentage Of National Gross Receipt Tax Net PercentageOfNationalGrossReceiptTaxNet	0.007	pure
CY2016	fbp	Financing Arrangements With Municipalities Threshold FinancingArrangementsWithMunicipalitiesThreshold	P8Y0M0D

Files In Submission

Name	View Source	Status
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$FBP
First BanCorp Stock $fbp

2016 Q4 Form 10-K Financial Statement

#000105770617000010 Filed on March 16, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FBP First BanCorp Stock $fbp

2016 Q4 Form 10-K Financial Statement

#000105770617000010 Filed on March 16, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FBP
First BanCorp Stock $fbp