$FBP
FIRST BANCORP /PR/ Stock $fbp

$fbp Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-K Financial Statement

#000105770621000006 Filed on March 01, 2021

Income Statement

Concept	2020 Q4	2020	2019 Q4
Revenue		$804.2M
YoY Change		4.92%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development		$8.437M
YoY Change		22.44%
% of Gross Profit
Depreciation & Amortization	$9.300M	$26.00M	$5.000M
YoY Change	86.0%	25.6%	8.7%
% of Gross Profit
Operating Expenses		$8.437M
YoY Change		22.44%
Operating Profit
YoY Change
Interest Expense		$92.66M
YoY Change		-14.85%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$65.50M	$116.3M	$53.50M
YoY Change	22.43%	-51.4%	-10.68%
Income Tax	$15.40M	$14.05M	$17.10M
% Of Pretax Income	23.51%	12.08%	31.96%
Net Earnings	$50.10M	$102.3M	$36.40M
YoY Change	37.64%	-38.9%	-64.0%
Net Earnings / Revenue		12.72%
Basic Earnings Per Share		$0.46
Diluted Earnings Per Share	$229.7K	$0.46	$167.4K
COMMON SHARES
Basic Shares Outstanding	218.2M shares	216.9K shares	217.4M shares
Diluted Shares Outstanding		217.7K shares

Balance Sheet

Concept	2020 Q4	2020	2019 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$1.494B		$644.1M
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	$158.2M	$261.0M	$150.0M
YoY Change	5.48%	23.7%	1.47%
Goodwill	$38.63M		$28.10M
YoY Change	37.49%		-0.01%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$329.0M	$329.0M	$265.0M
YoY Change	24.15%	24.15%	-17.19%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$18.79B	$18.79B	$12.61B
YoY Change	49.02%	49.02%	3.0%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$170.0M	$170.0M	$116.0M
YoY Change	46.55%	46.55%	-10.08%
Accrued Expenses	$107.0M	$107.0M	$64.00M
YoY Change	67.19%	67.19%
Deferred Revenue
YoY Change
Short-Term Debt	$300.0M	$300.0M	$100.0M
YoY Change	200.0%	200.0%	-33.33%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$277.0M	$277.0M	$180.0M
YoY Change	53.89%	53.89%	39.53%
LONG-TERM LIABILITIES
Long-Term Debt	$184.0M	$184.0M	$184.0M
YoY Change	0.0%	0.0%	0.0%
Other Long-Term Liabilities			$0.00
YoY Change			-100.0%
Total Long-Term Liabilities	$184.0M	$184.0M	$184.0M
YoY Change	0.0%	0.0%	-0.54%
TOTAL LIABILITIES
Total Short-Term Liabilities	$277.0M	$277.0M	$180.0M
Total Long-Term Liabilities	$184.0M	$184.0M	$184.0M
Total Liabilities	$16.52B	$16.52B	$10.38B
YoY Change	59.08%	59.09%	1.81%
SHAREHOLDERS EQUITY
Retained Earnings	$1.215B		$1.222B
YoY Change	-0.53%		12.34%
Common Stock	$22.30M		$22.21M
YoY Change	0.42%		0.14%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$480.0K		$474.0K
YoY Change	1.27%		4.18%
Treasury Stock Shares	4.799M shares		4.744M shares
Shareholders Equity	$2.275B	$2.275B	$2.228B
YoY Change
Total Liabilities & Shareholders Equity	$18.79B	$18.79B	$12.61B
YoY Change	49.02%	49.02%	3.0%

Cashflow Statement

Concept	2020 Q4	2020	2019 Q4
OPERATING ACTIVITIES
Net Income	$50.10M	$102.3M	$36.40M
YoY Change	37.64%	-38.9%	-64.0%
Depreciation, Depletion And Amortization	$9.300M	$26.00M	$5.000M
YoY Change	86.0%	25.6%	8.7%
Cash From Operating Activities	$127.1M	$297.7M	$58.60M
YoY Change	116.89%	1.17%	-21.34%
INVESTING ACTIVITIES
Capital Expenditures	-$4.800M	$16.07M	-$5.400M
YoY Change	-11.11%	-28.51%	22.73%
Acquisitions
YoY Change
Other Investing Activities	-$1.146B	-$1.223B	-$418.7M
YoY Change	173.7%	281.53%	430.67%
Cash From Investing Activities	-$1.151B	-$1.239B	-$424.1M
YoY Change	171.35%	261.22%	408.51%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$206.0K
YoY Change		-89.48%
Debt Paid & Issued, Net		$95.28M
YoY Change		-53.52%
Cash From Financing Activities	48.00M	$1.791B	33.60M
YoY Change	42.86%	1580.3%	-154.37%
NET CHANGE
Cash From Operating Activities	127.1M	$297.7M	58.60M
Cash From Investing Activities	-1.151B	-$1.239B	-424.1M
Cash From Financing Activities	48.00M	$1.791B	33.60M
Net Change In Cash	-975.7M	$849.7M	-331.9M
YoY Change	193.97%	1367.69%	369.45%
FREE CASH FLOW
Cash From Operating Activities	$127.1M	$297.7M	$58.60M
Capital Expenditures	-$4.800M	$16.07M	-$5.400M
Free Cash Flow	$131.9M	$281.7M	$64.00M
YoY Change	106.09%	3.63%	-18.88%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2020Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	50289000	USD
CY2020Q4	us-gaap	Securities Purchased Under Agreements To Resell Liability SecuritiesPurchasedUnderAgreementsToResellLiability	0	USD
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	6
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CY2020	dei	Amendment Flag AmendmentFlag	false
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CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2020	dei	Security Exchange Name SecurityExchangeName	NYSE
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CY2020	fbp	Nonacrualsustainedperformanceperiod Nonacrualsustainedperformanceperiod	P6M
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CY2020	dei	Document Type DocumentType	10-K
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CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	001-14793
CY2020	dei	Entity Registrant Name EntityRegistrantName	FIRST BANCORP.
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	PR
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	66-0561882
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	1519 Ponce de León Avenue, Stop 23
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	00908
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Santurce
CY2020	dei	Entity Address Country EntityAddressCountry	PR
CY2020	dei	City Area Code CityAreaCode	787
CY2020	dei	Local Phone Number LocalPhoneNumber	729-8200
CY2020	dei	Security12b Title Security12bTitle	Common Stock ($0.10 par value)
CY2020	dei	Trading Symbol TradingSymbol	FBP
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2019	fbp	Interest Expense Federal Reserve Bank Advances InterestExpenseFederalReserveBankAdvances	0	USD
CY2018	fbp	Interest Expense Federal Reserve Bank Advances InterestExpenseFederalReserveBankAdvances	0	USD
CY2020	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	6645000	USD
CY2019	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	6647000	USD
CY2018	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	9401000	USD
CY2020	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	11251000	USD
CY2019	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	14963000	USD
CY2018	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	13549000	USD
CY2020	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	6355000	USD
CY2019	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	9424000	USD
CY2018	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	8983000	USD
CY2020	us-gaap	Interest Expense InterestExpense	92660000	USD
CY2019	us-gaap	Interest Expense InterestExpense	108816000	USD
CY2018	us-gaap	Interest Expense InterestExpense	99584000	USD
CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	600322000	USD
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	567081000	USD
CY2018	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	525383000	USD
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	168717000	USD
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	40225000	USD
CY2018	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	59253000	USD
CY2020	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	170985000	USD
CY2019	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	39813000	USD
CY2018	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	58989000	USD
CY2020	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	429337000	USD
CY2019	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	527268000	USD
CY2018	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	466394000	USD
CY2020	fbp	Fees And Commissions Income Debit Cards FeesAndCommissionsIncomeDebitCards	24612000	USD
CY2019	fbp	Fees And Commissions Income Debit Cards FeesAndCommissionsIncomeDebitCards	23916000	USD
CY2018	fbp	Fees And Commissions Income Debit Cards FeesAndCommissionsIncomeDebitCards	21679000	USD
CY2020	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	22124000	USD
CY2019	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	17058000	USD
CY2018	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	17228000	USD
CY2020	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	13198000	USD
CY2019	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-497000	USD
CY2018	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-84000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	94000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	2316000	USD
CY2020	us-gaap	Insurance Investment Income InsuranceInvestmentIncome	9364000	USD
CY2019	us-gaap	Insurance Investment Income InsuranceInvestmentIncome	10186000	USD
CY2018	us-gaap	Insurance Investment Income InsuranceInvestmentIncome	8429000	USD
CY2020	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	41834000	USD
CY2019	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	39909000	USD
CY2018	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	32742000	USD
CY2020	us-gaap	Noninterest Income NoninterestIncome	111226000	USD
CY2019	us-gaap	Noninterest Income NoninterestIncome	90572000	USD
CY2018	us-gaap	Noninterest Income NoninterestIncome	82310000	USD
CY2020	us-gaap	Labor And Related Expense LaborAndRelatedExpense	177073000	USD
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	162374000	USD
CY2018	us-gaap	Labor And Related Expense LaborAndRelatedExpense	159494000	USD
CY2020	us-gaap	Occupancy Net OccupancyNet	74633000	USD
CY2019	us-gaap	Occupancy Net OccupancyNet	63169000	USD
CY2018	us-gaap	Occupancy Net OccupancyNet	57942000	USD
CY2020	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	12145000	USD
CY2019	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	15710000	USD
CY2018	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	14808000	USD
CY2020	us-gaap	Professional Fees ProfessionalFees	52633000	USD
CY2019	us-gaap	Professional Fees ProfessionalFees	45889000	USD
CY2018	us-gaap	Professional Fees ProfessionalFees	43497000	USD
CY2020	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	17762000	USD
CY2019	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	15325000	USD
CY2018	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	14707000	USD
CY2020	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	6488000	USD
CY2019	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	6319000	USD
CY2018	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	8909000	USD
CY2020	fbp	Net Loss On Real Estate Owned Operations NetLossOnRealEstateOwnedOperations	3598000	USD
CY2019	fbp	Net Loss On Real Estate Owned Operations NetLossOnRealEstateOwnedOperations	14644000	USD
CY2018	fbp	Net Loss On Real Estate Owned Operations NetLossOnRealEstateOwnedOperations	14452000	USD
CY2020	fbp	Credit And Debit Processing Fees CreditAndDebitProcessingFees	19144000	USD
CY2019	fbp	Credit And Debit Processing Fees CreditAndDebitProcessingFees	16472000	USD
CY2018	fbp	Credit And Debit Processing Fees CreditAndDebitProcessingFees	15546000	USD
CY2020	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	8437000	USD
CY2019	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	6891000	USD
CY2018	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	6372000	USD
CY2020	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	26509000	USD
CY2019	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	11442000	USD
CY2018	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	USD
CY2020	us-gaap	Other Noninterest Expense OtherNoninterestExpense	25818000	USD
CY2019	us-gaap	Other Noninterest Expense OtherNoninterestExpense	20233000	USD
CY2018	us-gaap	Other Noninterest Expense OtherNoninterestExpense	22339000	USD
CY2020	us-gaap	Noninterest Expense NoninterestExpense	424240000	USD
CY2019	us-gaap	Noninterest Expense NoninterestExpense	378468000	USD
CY2018	us-gaap	Noninterest Expense NoninterestExpense	358066000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	116323000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	239372000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	190638000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	71995000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-10970000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	102273000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	167377000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	201608000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	99597000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	164701000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	198932000	USD
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.76
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.92
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.46
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.76
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.92
CY2020	us-gaap	Net Income Loss NetIncomeLoss	102273000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	167377000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	201608000	USD
CY2020	fbp	Credit Losses Subsequent Unrealized Gain On Debt Securities CreditLossesSubsequentUnrealizedGainOnDebtSecurities	772000	USD
CY2019	fbp	Credit Losses Subsequent Unrealized Gain On Debt Securities CreditLossesSubsequentUnrealizedGainOnDebtSecurities	48000	USD
CY2018	fbp	Credit Losses Subsequent Unrealized Gain On Debt Securities CreditLossesSubsequentUnrealizedGainOnDebtSecurities	255000	USD
CY2020	fbp	Other Comprehensive Income Loss Securities Available For Sale Adjustment For Provision For Credit Loss After Tax OtherComprehensiveIncomeLossSecuritiesAvailableForSaleAdjustmentForProvisionForCreditLossAfterTax	1641000	USD
CY2019	fbp	Other Comprehensive Income Loss Securities Available For Sale Adjustment For Provision For Credit Loss After Tax OtherComprehensiveIncomeLossSecuritiesAvailableForSaleAdjustmentForProvisionForCreditLossAfterTax	497000	USD
CY2018	fbp	Other Comprehensive Income Loss Securities Available For Sale Adjustment For Provision For Credit Loss After Tax OtherComprehensiveIncomeLossSecuritiesAvailableForSaleAdjustmentForProvisionForCreditLossAfterTax	50000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	13198000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-34000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	59746000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	46634000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-20145000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-270000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	48691000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	47179000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-19806000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	150964000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	214556000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	181802000	USD
CY2020	fbp	Credit Losses Subsequent Unrealized Gain On Debt Securities Tax CreditLossesSubsequentUnrealizedGainOnDebtSecuritiesTax	0	USD
CY2019	fbp	Credit Losses Subsequent Unrealized Gain On Debt Securities Tax CreditLossesSubsequentUnrealizedGainOnDebtSecuritiesTax	0	USD
CY2018	fbp	Credit Losses Subsequent Unrealized Gain On Debt Securities Tax CreditLossesSubsequentUnrealizedGainOnDebtSecuritiesTax	0	USD
CY2020	fbp	Other Comprehensive Income Loss Securities Available For Sale Adjustment For Provision For Credit Loss Tax OtherComprehensiveIncomeLossSecuritiesAvailableForSaleAdjustmentForProvisionForCreditLossTax	0	USD
CY2019	fbp	Other Comprehensive Income Loss Securities Available For Sale Adjustment For Provision For Credit Loss Tax OtherComprehensiveIncomeLossSecuritiesAvailableForSaleAdjustmentForProvisionForCreditLossTax	0	USD
CY2018	fbp	Other Comprehensive Income Loss Securities Available For Sale Adjustment For Provision For Credit Loss Tax OtherComprehensiveIncomeLossSecuritiesAvailableForSaleAdjustmentForProvisionForCreditLossTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	USD
CY2019	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	39813000	USD
CY2018	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	58989000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-4371000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	55009000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-25043000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-162000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-162000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	0	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	102273000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	167377000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	201608000	USD
CY2020	us-gaap	Depreciation Nonproduction DepreciationNonproduction	20068000	USD
CY2019	us-gaap	Depreciation Nonproduction DepreciationNonproduction	17592000	USD
CY2018	us-gaap	Depreciation Nonproduction DepreciationNonproduction	15026000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5912000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3086000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3593000	USD
CY2020	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	170985000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	5117000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	3949000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	5825000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	94000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	2316000	USD
CY2020	us-gaap	Debt Securities Gain Loss DebtSecuritiesGainLoss	13198000	USD
CY2019	us-gaap	Debt Securities Gain Loss DebtSecuritiesGainLoss	-497000	USD
CY2018	us-gaap	Debt Securities Gain Loss DebtSecuritiesGainLoss	-84000	USD
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	5635000	USD
CY2019	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	2934000	USD
CY2018	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	46000	USD
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	215000	USD
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-242000	USD
CY2018	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	1366000	USD
CY2019	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	10446000	USD
CY2018	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	2639000	USD
CY2020	fbp	Amortization Of Premiums And Discounts On Deferred Loan Fees And Costs AmortizationOfPremiumsAndDiscountsOnDeferredLoanFeesAndCosts	8602000	USD
CY2019	fbp	Amortization Of Premiums And Discounts On Deferred Loan Fees And Costs AmortizationOfPremiumsAndDiscountsOnDeferredLoanFeesAndCosts	8117000	USD
CY2018	fbp	Amortization Of Premiums And Discounts On Deferred Loan Fees And Costs AmortizationOfPremiumsAndDiscountsOnDeferredLoanFeesAndCosts	8397000	USD
CY2020	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	648052000	USD
CY2019	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	362612000	USD
CY2018	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	319770000	USD
CY2020	us-gaap	Proceeds From Sale And Collection Of Loans Heldforsale ProceedsFromSaleAndCollectionOfLoansHeldforsale	659349000	USD
CY2019	us-gaap	Proceeds From Sale And Collection Of Loans Heldforsale ProceedsFromSaleAndCollectionOfLoansHeldforsale	360572000	USD
CY2018	us-gaap	Proceeds From Sale And Collection Of Loans Heldforsale ProceedsFromSaleAndCollectionOfLoansHeldforsale	344935000	USD
CY2020	fbp	Amortization Of Broker Placement Fees AmortizationOfBrokerPlacementFees	537000	USD
CY2019	fbp	Amortization Of Broker Placement Fees AmortizationOfBrokerPlacementFees	732000	USD
CY2018	fbp	Amortization Of Broker Placement Fees AmortizationOfBrokerPlacementFees	1163000	USD
CY2018	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-2407000	USD
CY2020	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-6419000	USD
CY2020	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-19410000	USD
CY2019	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-2483000	USD
CY2019	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	1971000	USD
CY2019	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-15086000	USD
CY2018	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-49914000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	95282000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	205000000	USD
CY2018	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-6649000	USD
CY2020	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-2990000	USD
CY2019	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	1081000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	765432000	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	509884000	USD
CY2018	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	236000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	5018000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-32521000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-8906000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	9116000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-4590000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-1521000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	297738000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	294284000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	288323000	USD
CY2020	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	335152000	USD
CY2019	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	341870000	USD
CY2018	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	277863000	USD
CY2020	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	6788000	USD
CY2019	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	83428000	USD
CY2018	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	82526000	USD
CY2020	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	35270000	USD
CY2019	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	60124000	USD
CY2018	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	51799000	USD
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	1195250000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	0	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	47805000	USD
CY2020	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	3820148000	USD
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1277762000	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	628675000	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	387817000	USD
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	6431000	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	6138000	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	5828000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	16070000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	22478000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	20514000	USD
CY2019	us-gaap	Proceeds From Sale Of Other Productive Assets ProceedsFromSaleOfOtherProductiveAssets	1568000	USD
CY2018	us-gaap	Proceeds From Sale Of Other Productive Assets ProceedsFromSaleOfOtherProductiveAssets	2548000	USD
CY2020	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-3881000	USD
CY2019	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-6292000	USD
CY2018	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	993000	USD
CY2020	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	0	USD
CY2019	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	587000	USD
CY2018	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	7673000	USD
CY2020	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	406626000	USD
CY2019	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2018	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1238865000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-342968000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-223258000	USD
CY2020	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	1767441000	USD
CY2019	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	361657000	USD
CY2018	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-36889000	USD
CY2020	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-35000000	USD
CY2018	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	2676000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1790861000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	106580000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-195257000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	849734000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	57896000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	216434000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-130192000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	644099000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	586203000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	716395000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1493833000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	120000000	USD
CY2020	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	200000000	USD
CY2019	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	0	USD
CY2018	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	0	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	206000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1959000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2827000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	43416000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	30356000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	6517000	USD
CY2020	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	2676000	USD
CY2019	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	2676000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	644099000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	586203000	USD
CY2020Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	1433261000	USD
CY2019Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	546391000	USD
CY2018Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	578613000	USD
CY2020Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	60572000	USD
CY2019Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	97708000	USD
CY2018Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	7590000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1493833000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	644099000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	586203000	USD
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.20
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.14
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.03
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	2275179000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	2228073000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	2044704000	USD
CY2020	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<p style="margin-top: 5.00pt; margin-bottom: 5.00pt; text-indent: 0.07in; text-align: justify"><span style="font-family: 'Times New Roman', 'serif'; font-style: italic; font-weight: bold; font-size: 10.00pt">Reclassifications</span></p><p style="margin-top: 0; margin-bottom: 0; text-align: justify"><span style="font-family: 'Times New Roman', 'serif'; font-size: 10.00pt"> In connection with the adoption of ASU 2016-13, “Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments,” (“ASC 326”), the provision for unfunded loan commitments, which was previously presented as part of other non-interest expense, was reclassified and is now presented separately as a component of the provision for credit losses in the consolidated statements of income. For purposes of comparability, amounts prior to 2020 have been reclassified to conform to the current presentation.</span></p>
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<p style="margin-top: 0; margin-bottom: 0; text-indent: 0.07in; text-align: justify"><span style="font-family: 'Times New Roman', 'serif'; font-style: italic; font-weight: bold; font-size: 10.00pt">Use of estimates in the preparation of financial statements</span></p><p style="margin-top: 0; margin-bottom: 0; text-indent: 0.08in; text-align: justify"><span style="font-family: 'Times New Roman', 'serif'; font-size: 10.00pt"> </span></p><p style="margin-top: 0; margin-bottom: 0; text-indent: 0.07in; text-align: justify"><span style="font-family: 'Times New Roman', 'serif'; font-size: 10.00pt">The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities and contingent liabilities 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.</span></p>
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	1300000	USD
CY2020	fbp	Threshold Period Past Due Of Financing Receivables To Be Considered Nonperforming ThresholdPeriodPastDueOfFinancingReceivablesToBeConsideredNonperforming	P90D
CY2020	fbp	Troubled Debt Restructurings Sustained Performance Period TroubledDebtRestructuringsSustainedPerformancePeriod	P6M
CY2020Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	500000	USD
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	33100000	USD
CY2019Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	26800000	USD
CY2020Q1	us-gaap	Finance Lease Liability FinanceLeaseLiability	0	USD
CY2020	fbp	Modified Repurchase Agreements Threshold ModifiedRepurchaseAgreementsThreshold	0.10	pure
CY2020Q4	us-gaap	Customer Loyalty Program Liability Current CustomerLoyaltyProgramLiabilityCurrent	7500000	USD
CY2019Q4	us-gaap	Customer Loyalty Program Liability Current CustomerLoyaltyProgramLiabilityCurrent	7100000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1000000.0	USD
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	6
CY2019Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	0	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	155139000	USD
CY2019Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	0	USD
CY2019	fbp	Businessacquisitionsproformanoninterestincome Businessacquisitionsproformanoninterestincome	129303000	USD
CY2020	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	183972000	USD
CY2020	fbp	Business Combination Consideration Transferred Description BusinessCombinationConsiderationTransferredDescription	The preliminary consideration for the acquisition amounted to approximately (i) $387.8 million for 117.5% of BSPR’s core tangible common equity, comprised of a $57.8 million premium on $330 million of core tangible common equity, plus (ii) $892.2 million for BSPR’s excess capital (paid at par), which represents the estimated closing payment pursuant to the terms of the Stock Purchase Agreement.
CY2020	fbp	Businessacquisitionsproformanetinterestincome Businessacquisitionsproformanetinterestincome	722556000	USD
CY2019	fbp	Businessacquisitionsproformanetinterestincome Businessacquisitionsproformanetinterestincome	789938000	USD
CY2020	fbp	Businessacquisitionsproformanoninterestincome Businessacquisitionsproformanoninterestincome	132180000	USD
CY2019	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	213311000	USD
CY2020	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	26500000	USD
CY2020	fbp	Business Combination Acquisition Related Costs Incurred By The Acquiree BusinessCombinationAcquisitionRelatedCostsIncurredByTheAcquiree	2000000.0	USD
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	37900000	USD
CY2020	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	26500000	USD
CY2019	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	11400000	USD
CY2019Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	10056000	USD
CY2020Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	300000	USD
CY2019Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	300000	USD
CY2020Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	60572000	USD
CY2019Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	97708000	USD
CY2020	fbp	Weighted Average Rate Time Deposits WeightedAverageRateTimeDeposits	0.0045	pure
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	4584851000	USD
CY2020Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	68995000	USD
CY2020Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	5517000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	1310000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	4647019000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	2109008000	USD
CY2019Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	24573000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	2123525000	USD
CY2019Q4	fbp	Debt Securities Available For Sale Maturity Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityWeightedAverageYield	0.0252	pure
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	4584851000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	4647019000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	782960000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1610000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	44465000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	3907000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	5517000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	278893000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1634000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	358629000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	8422000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	637522000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	10056000	USD
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	1200000000	USD
CY2020	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	13300000	USD
CY2020	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	100000	USD
CY2020	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	13200000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	47800000	USD
CY2019Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	9002205000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	385887000	USD
CY2018	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	-50000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2020	fbp	Provisionforothercreditlossesnopreviousexpectedcreditlosses Provisionforothercreditlossesnopreviousexpectedcreditlosses	308000	USD
CY2020	fbp	Provisionforothercreditlossespreviousexpectedcreditlosses Provisionforothercreditlossespreviousexpectedcreditlosses	1333000	USD
CY2020	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Writeoff DebtSecuritiesAvailableForSaleAllowanceForCreditLossWriteoff	331000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	1310000	USD
CY2019	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale	557000	USD
CY2018	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale	0	USD
CY2019	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	60000	USD
CY2019	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings	497000	USD
CY2018	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings	50000	USD
CY2020Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	8845000	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity Purchased With Credit Deterioration Amount At Purchase Price DebtSecuritiesHeldToMaturityPurchasedWithCreditDeteriorationAmountAtPurchasePrice	55500000	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity Purchased With Credit Deterioration Amount At Purchase Price DebtSecuritiesHeldToMaturityPurchasedWithCreditDeteriorationAmountAtPurchasePrice	55532000	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity Purchased With Credit Deterioration Allowance For Credit Loss At Acquisition Date DebtSecuritiesHeldToMaturityPurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate	1269000	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity Purchased With Credit Deterioration Discount Premium DebtSecuritiesHeldToMaturityPurchasedWithCreditDeteriorationDiscountPremium	10281000	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity Purchased With Credit Deterioration Amount At Par Value DebtSecuritiesHeldToMaturityPurchasedWithCreditDeteriorationAmountAtParValue	67082000	USD
CY2020Q4	us-gaap	Debt Securities Held To Maturity Past Due DebtSecuritiesHeldToMaturityPastDue	0	USD
CY2020Q4	us-gaap	Debt Securities Held To Maturity Threshold Period Past Due DebtSecuritiesHeldToMaturityThresholdPeriodPastDue	P30Y
CY2020Q4	fbp	Federal Home Loan Bank Capital Stock Par Value FederalHomeLoanBankCapitalStockParValue	100
CY2020Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	31200000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	34100000	USD
CY2020	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	40281000	USD
CY2019	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	37044000	USD
CY2018	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	36429000	USD
CY2020	fbp	Interest Income Pr Governement Obligations Us Treasury Securities And Us Government Agencies InterestIncomePrGovernementObligationsUsTreasurySecuritiesAndUsGovernmentAgencies	16267000	USD
CY2019	fbp	Interest Income Pr Governement Obligations Us Treasury Securities And Us Government Agencies InterestIncomePrGovernementObligationsUsTreasurySecuritiesAndUsGovernmentAgencies	19788000	USD
CY2018	fbp	Interest Income Pr Governement Obligations Us Treasury Securities And Us Government Agencies InterestIncomePrGovernementObligationsUsTreasurySecuritiesAndUsGovernmentAgencies	21052000	USD
CY2020	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	58547000	USD
CY2019	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	59546000	USD
CY2018	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	60224000	USD
CY2020	us-gaap	Interest Income Money Market Deposits InterestIncomeMoneyMarketDeposits	3388000	USD
CY2019	us-gaap	Interest Income Money Market Deposits InterestIncomeMoneyMarketDeposits	13353000	USD
CY2018	us-gaap	Interest Income Money Market Deposits InterestIncomeMoneyMarketDeposits	11096000	USD
CY2020	us-gaap	Interest And Other Income InterestAndOtherIncome	61935000	USD
CY2019	us-gaap	Interest And Other Income InterestAndOtherIncome	72899000	USD
CY2018	us-gaap	Interest And Other Income InterestAndOtherIncome	71320000	USD
CY2020	fbp	Interest Income On Investment Securities And Money Market Investments InterestIncomeOnInvestmentSecuritiesAndMoneyMarketInvestments	59976000	USD
CY2019	fbp	Interest Income On Investment Securities And Money Market Investments InterestIncomeOnInvestmentSecuritiesAndMoneyMarketInvestments	70217000	USD
CY2018	fbp	Interest Income On Investment Securities And Money Market Investments InterestIncomeOnInvestmentSecuritiesAndMoneyMarketInvestments	68592000	USD
CY2020	fbp	Dividends On Federal Home Loan Bank Stock DividendsOnFederalHomeLoanBankStock	1959000	USD
CY2019	fbp	Dividends On Federal Home Loan Bank Stock DividendsOnFederalHomeLoanBankStock	2682000	USD
CY2018	fbp	Dividends On Federal Home Loan Bank Stock DividendsOnFederalHomeLoanBankStock	2728000	USD
CY2020	us-gaap	Interest And Other Income InterestAndOtherIncome	61935000	USD
CY2019	us-gaap	Interest And Other Income InterestAndOtherIncome	72899000	USD
CY2018	us-gaap	Interest And Other Income InterestAndOtherIncome	71320000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	11777289000	USD
CY2020Q3	us-gaap	Financing Receivable Purchased With Credit Deterioration Amount At Purchase Price FinancingReceivablePurchasedWithCreditDeteriorationAmountAtPurchasePrice	752826000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	155139000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	11391402000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	8847066000	USD
CY2020Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	48000000.0	USD
CY2019Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	15100000	USD
CY2020Q4	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	2500000000	USD
CY2019Q4	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	1800000000	USD
CY2020Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	46736000	USD
CY2020Q4	fbp	Financing Receivable Nonaccrual With Allowance FinancingReceivableNonaccrualWithAllowance	158353000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	205089000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	145095000	USD
CY2020	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	2029000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	210668000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	135042000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	498303000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	11278986000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	11777289000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	508378000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	8493827000	USD
CY2019Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	9002205000	USD
CY2020Q3	us-gaap	Financing Receivable Purchased With Credit Deterioration Allowance For Credit Loss At Acquisition Date FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate	28744000	USD
CY2020Q3	us-gaap	Financing Receivable Purchased With Credit Deterioration Discount Premium FinancingReceivablePurchasedWithCreditDeteriorationDiscountPremium	4479000	USD
CY2020Q3	us-gaap	Financing Receivable Purchased With Credit Deterioration Amount At Par Value FinancingReceivablePurchasedWithCreditDeteriorationAmountAtParValue	786049000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	11800000000	USD
CY2020	fbp	Minimum Period To Be Considered For Loan To Have Defaulted MinimumPeriodToBeConsideredForLoanToHaveDefaulted	P90D
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	155139000	USD
CY2020Q3	us-gaap	Financing Receivable Purchased With Credit Deterioration Allowance For Credit Loss At Acquisition Date FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate	28744000	USD
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	168717000	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	64540000	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	16662000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	385887000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	196362000	USD
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	40225000	USD
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	97587000	USD
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	16139000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	155139000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	231843000	USD
CY2018	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	59253000	USD
CY2018	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	116792000	USD
CY2018	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	22058000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	196362000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	155100000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	385900000	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	230800000	USD
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	168700000	USD
CY2020Q1	us-gaap	Financing Receivable Purchased With Credit Deterioration Allowance For Credit Loss At Acquisition Date FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate	28700000	USD
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	168700000	USD
CY2020	fbp	Provision For Loan And Lease Losses Period Increase Decrease ProvisionForLoanAndLeaseLossesPeriodIncreaseDecrease	128500000	USD
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	40200000	USD
CY2020Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	202000	USD
CY2019Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	73000	USD
CY2018Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	30000	USD
CY2020	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	47900000	USD
CY2019	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	81400000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	11777289000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	385887000	USD
CY2019Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	9002205000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	155139000	USD
CY2020Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	5100000	USD
CY2020	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	1200000	USD
CY2019Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	0	USD
CY2018Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	412000	USD
CY2017Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	676000	USD
CY2020	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	1183000	USD
CY2019	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-412000	USD
CY2018	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-264000	USD
CY2020Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	5105000	USD
CY2019Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	0	USD
CY2018Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	412000	USD
CY2019Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	56530000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	1024000	USD
CY2019	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	154000	USD
CY2019	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	146000	USD
CY2019	us-gaap	Loans And Leases Receivable Related Parties Period Increase Decrease LoansAndLeasesReceivableRelatedPartiesPeriodIncreaseDecrease	0	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	1032000	USD
CY2020	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	425000	USD
CY2020	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	953000	USD
CY2020	us-gaap	Loans And Leases Receivable Related Parties Period Increase Decrease LoansAndLeasesReceivableRelatedPartiesPeriodIncreaseDecrease	0	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	504000	USD
CY2020Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	138686000	USD
CY2019Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	135263000	USD
CY2020Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	82034000	USD
CY2020Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	224623000	USD
CY2019Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	146835000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	445343000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	338628000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	318659000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	228712000	USD
CY2020Q4	fbp	Property Plant And Equipment Total Before Land And Cip PropertyPlantAndEquipmentTotalBeforeLandAndCip	126684000	USD
CY2019Q4	fbp	Property Plant And Equipment Total Before Land And Cip PropertyPlantAndEquipmentTotalBeforeLandAndCip	109916000	USD
CY2020Q4	us-gaap	Land Land	23873000	USD
CY2019Q4	us-gaap	Land Land	22939000	USD
CY2020Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	7652000	USD
CY2019Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	17134000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	158209000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	149989000	USD
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	20100000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	17600000	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	15000000.0	USD
CY2020Q4	us-gaap	Goodwill Goodwill	38600000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	28100000	USD
CY2020Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	2300000000	USD
CY2019Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	2400000000	USD
CY2020Q4	fbp	Unamortized Broker Placement Fees UnamortizedBrokerPlacementFees	400000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	66537000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3086000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	28098000	USD
CY2020	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	6303000	USD
CY2020	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	4231000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	38632000	USD
CY2020Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangibles BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles	40900000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	77196000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	116428000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	69623000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5912000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	75535000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	40893000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	77196000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	69623000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	7573000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	77196000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	62944000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3593000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	66537000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	10659000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	11293000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	8731000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	7651000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	6346000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	3469000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	3403000	USD
CY2019Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	26762000	USD
CY2018Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	27428000	USD
CY2017Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	25255000	USD
CY2020	fbp	Purchases Of Servicing Assets PurchasesOfServicingAssets	7781000	USD
CY2019	fbp	Purchases Of Servicing Assets PurchasesOfServicingAssets	0	USD
CY2018	fbp	Purchases Of Servicing Assets PurchasesOfServicingAssets	0	USD
CY2020	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	4864000	USD
CY2019	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	4039000	USD
CY2018	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	3864000	USD
CY2020	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	5777000	USD
CY2019	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	4592000	USD
CY2018	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	2895000	USD
CY2020	us-gaap	Servicing Asset At Amortized Value Valuation Allowance ServicingAssetAtAmortizedValueValuationAllowance	-206000	USD
CY2019	us-gaap	Servicing Asset At Amortized Value Valuation Allowance ServicingAssetAtAmortizedValueValuationAllowance	-43000	USD
CY2018	us-gaap	Servicing Asset At Amortized Value Valuation Allowance ServicingAssetAtAmortizedValueValuationAllowance	1289000	USD
CY2020	us-gaap	Servicing Asset At Amortized Value Other Changes That Affect Balance Amount ServicingAssetAtAmortizedValueOtherChangesThatAffectBalanceAmount	353000	USD
CY2019	us-gaap	Servicing Asset At Amortized Value Other Changes That Affect Balance Amount ServicingAssetAtAmortizedValueOtherChangesThatAffectBalanceAmount	70000	USD
CY2018	us-gaap	Servicing Asset At Amortized Value Other Changes That Affect Balance Amount ServicingAssetAtAmortizedValueOtherChangesThatAffectBalanceAmount	85000	USD
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	33071000	USD
CY2019Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	26762000	USD
CY2018Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	27428000	USD
CY2019Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	73000	USD
CY2018Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	30000	USD
CY2017Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	1451000	USD
CY2020	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Aggregate Write Downs ValuationAllowanceForImpairmentOfRecognizedServicingAssetsAggregateWriteDowns	301000	USD
CY2019	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Aggregate Write Downs ValuationAllowanceForImpairmentOfRecognizedServicingAssetsAggregateWriteDowns	78000	USD
CY2018	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Aggregate Write Downs ValuationAllowanceForImpairmentOfRecognizedServicingAssetsAggregateWriteDowns	123000	USD
CY2020	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisions	77000	USD
CY2019	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisions	0	USD
CY2018	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisions	132000	USD
CY2020	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsRecoveries	95000	USD
CY2019	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsRecoveries	35000	USD
CY2018	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsRecoveries	1412000	USD
CY2018	us-gaap	Late Fee Income Generated By Servicing Financial Assets Amount LateFeeIncomeGeneratedByServicingFinancialAssetsAmount	510000	USD
CY2020	us-gaap	Servicing Asset At Amortized Value Other Changes That Affect Balance Amount ServicingAssetAtAmortizedValueOtherChangesThatAffectBalanceAmount	353000	USD
CY2019	us-gaap	Servicing Asset At Amortized Value Other Changes That Affect Balance Amount ServicingAssetAtAmortizedValueOtherChangesThatAffectBalanceAmount	70000	USD
CY2018	us-gaap	Servicing Asset At Amortized Value Other Changes That Affect Balance Amount ServicingAssetAtAmortizedValueOtherChangesThatAffectBalanceAmount	85000	USD
CY2020	us-gaap	Ancillary Fee Income Generated By Servicing Financial Assets Amount AncillaryFeeIncomeGeneratedByServicingFinancialAssetsAmount	0	USD
CY2019	us-gaap	Ancillary Fee Income Generated By Servicing Financial Assets Amount AncillaryFeeIncomeGeneratedByServicingFinancialAssetsAmount	-15000	USD
CY2018	us-gaap	Ancillary Fee Income Generated By Servicing Financial Assets Amount AncillaryFeeIncomeGeneratedByServicingFinancialAssetsAmount	-8000	USD
CY2020	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	9485000	USD
CY2019	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	9047000	USD
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	215709	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	764	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	520	shares
CY2020	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	9268000	USD
CY2019	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	8522000	USD
CY2018	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	8704000	USD
CY2020	us-gaap	Late Fee Income Generated By Servicing Financial Assets Amount LateFeeIncomeGeneratedByServicingFinancialAssetsAmount	570000	USD
CY2019	us-gaap	Late Fee Income Generated By Servicing Financial Assets Amount LateFeeIncomeGeneratedByServicingFinancialAssetsAmount	610000	USD
CY2018	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	9121000	USD
CY2020	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	5983000	USD
CY2019	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	4635000	USD
CY2018	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	1606000	USD
CY2020	fbp	Servicing Fees Income ServicingFeesIncome	3502000	USD
CY2019	fbp	Servicing Fees Income ServicingFeesIncome	4412000	USD
CY2018	fbp	Servicing Fees Income ServicingFeesIncome	7515000	USD
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	33071000	USD
CY2019Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	26762000	USD
CY2020Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	40294000	USD
CY2019Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	31027000	USD
CY2020	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Life1 ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageLife1	P7Y10M9D
CY2019	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Life1 ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageLife1	P8Y4M20D
CY2020	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.0673	pure
CY2019	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.0645	pure
CY2020Q4	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	1006000	USD
CY2019Q4	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	748000	USD
CY2020Q4	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	1970000	USD
CY2019Q4	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	1464000	USD
CY2020	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.1120	pure
CY2019	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.1127	pure
CY2020Q4	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	1772000	USD
CY2019Q4	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	1450000	USD
CY2020Q4	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	3409000	USD
CY2019Q4	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	2783000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	4467000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.016	pure
CY2019Q4	fbp	Unamortized Broker Placement Fees UnamortizedBrokerPlacementFees	900000	USD
CY2020Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	1000000000.0	USD
CY2019Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	1300000000	USD
CY2020	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Qualitative Information ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueQualitativeInformation	These sensitivities are hypothetical and should be used with caution. As the figures indicate, changes in fair value based on a 10% variation in assumptions generally cannot be extrapolated because the relationship between the change in assumption and the change in fair value may not be linear. Also, in this table, the effect of a variation in a particular assumption on the fair value of the MSR is calculated without changing any other assumption; in reality, changes in one factor may result in changes in another (for example, increases in market interest rates may result in lower prepayments), which may magnify or counteract the sensitivities
CY2020	fbp	Percentage Of Variation In Assumptions PercentageOfVariationInAssumptions	0.10	pure
CY2020Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	4546123000	USD
CY2019Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	2367856000	USD
CY2020Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	4088969000	USD
CY2019Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	2437345000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	3651806000	USD
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	1412390000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	2814313000	USD
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	2695749000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	216172000	USD
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	435089000	USD
CY2020Q4	us-gaap	Deposits Deposits	15317383000	USD
CY2019Q4	us-gaap	Deposits Deposits	9348429000	USD
CY2020Q4	us-gaap	Weighted Average Rate Domestic Deposit WeightedAverageRateDomesticDeposit	0.0055	pure
CY2019Q4	us-gaap	Weighted Average Rate Domestic Deposit WeightedAverageRateDomesticDeposit	0.0118	pure
CY2020Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	800000	USD
CY2019Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	4100000	USD
CY2020Q4	fbp	Overdrafts Prearranged Lines Of Credit OverdraftsPrearrangedLinesOfCredit	26000000.0	USD
CY2019Q4	fbp	Overdrafts Prearranged Lines Of Credit OverdraftsPrearrangedLinesOfCredit	28600000	USD
CY2020Q4	fbp	Time Deposit Maturities Next Three Months TimeDepositMaturitiesNextThreeMonths	658417000	USD
CY2020Q4	fbp	Time Deposit Maturities Over Three Months To Six Months TimeDepositMaturitiesOverThreeMonthsToSixMonths	527542000	USD
CY2020Q4	fbp	Time Deposit Maturities Over Six Months To One Year TimeDepositMaturitiesOverSixMonthsToOneYear	779370000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	594688000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	252014000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	135653000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	68260000	USD
CY2020Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	14541000	USD
CY2020Q4	us-gaap	Time Deposits TimeDeposits	3030485000	USD
CY2020Q4	fbp	Brokeredcertificatesofdepositmatureinonetoninetydays Brokeredcertificatesofdepositmatureinonetoninetydays	54118000	USD
CY2020Q4	fbp	Brokeredcertificatesofdepositmatureinoverthreemonthstosixmonths Brokeredcertificatesofdepositmatureinoverthreemonthstosixmonths	24502000	USD
CY2020Q4	fbp	Brokeredcertificatesofdepositmatureinoversixmonthstooneyear Brokeredcertificatesofdepositmatureinoversixmonthstooneyear	37287000	USD
CY2020Q4	fbp	Brokeredcertificatesofdepositmatureinonetothreeyears Brokeredcertificatesofdepositmatureinonetothreeyears	77953000	USD
CY2020Q4	fbp	Brokeredcertificatesofdepositmatureinthreetofiveyears Brokeredcertificatesofdepositmatureinthreetofiveyears	22312000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	216172000	USD
CY2020Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	2000000000.0	USD
CY2019Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	780900000	USD
CY2020Q4	fbp	Deposit Liabilities Collateral Issued Financial Instruments Market Value DepositLiabilitiesCollateralIssuedFinancialInstrumentsMarketValue	2100000000	USD
CY2019Q4	fbp	Deposit Liabilities Collateral Issued Financial Instruments Market Value DepositLiabilitiesCollateralIssuedFinancialInstrumentsMarketValue	769600000	USD
CY2020	us-gaap	Interest Expense Domestic Deposit Liabilities Checking InterestExpenseDomesticDepositLiabilitiesChecking	5933000	USD
CY2019	us-gaap	Interest Expense Domestic Deposit Liabilities Checking InterestExpenseDomesticDepositLiabilitiesChecking	6071000	USD
CY2018	us-gaap	Interest Expense Domestic Deposit Liabilities Checking InterestExpenseDomesticDepositLiabilitiesChecking	5208000	USD
CY2020	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	11116000	USD
CY2019	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	16017000	USD
CY2018	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	14298000	USD
CY2019	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	44658000	USD
CY2018	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	33652000	USD
CY2020	us-gaap	Interest Expense Domestic Deposit Liabilities Brokered InterestExpenseDomesticDepositLiabilitiesBrokered	7989000	USD
CY2019	us-gaap	Interest Expense Domestic Deposit Liabilities Brokered InterestExpenseDomesticDepositLiabilitiesBrokered	11036000	USD
CY2018	us-gaap	Interest Expense Domestic Deposit Liabilities Brokered InterestExpenseDomesticDepositLiabilitiesBrokered	14493000	USD
CY2020	us-gaap	Interest Expense Deposits InterestExpenseDeposits	68388000	USD
CY2019	us-gaap	Interest Expense Deposits InterestExpenseDeposits	77782000	USD
CY2018	us-gaap	Interest Expense Deposits InterestExpenseDeposits	67651000	USD
CY2020	fbp	Amortization Of Broker Placement Fees AmortizationOfBrokerPlacementFees	500000	USD
CY2019	fbp	Amortization Of Broker Placement Fees AmortizationOfBrokerPlacementFees	700000	USD
CY2018	fbp	Amortization Of Broker Placement Fees AmortizationOfBrokerPlacementFees	1200000	USD
CY2020	fbp	Accretion Of Premium From Acquisition AccretionOfPremiumFromAcquisition	1000000.0	USD
CY2019	fbp	Other Fees And Commissions Credit Cards OtherFeesAndCommissionsCreditCards	11759000	USD
CY2018	fbp	Other Fees And Commissions Credit Cards OtherFeesAndCommissionsCreditCards	9598000	USD
CY2020	fbp	Mail And Cable Transmision Commissions Revenue MailAndCableTransmisionCommissionsRevenue	2540000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	-0.120	pure
CY2020	fbp	Income Tax Rate Reconciliation Nol Carryforwards IncomeTaxRateReconciliationNOLCarryforwards	9054000	USD
CY2020	fbp	Effective Income Tax Rate Reconciliations Nol Carryforwards EffectiveIncomeTaxRateReconciliationsNOLCarryforwards	0.078	pure
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	300000000	USD
CY2020Q4	fbp	Financial Instruments Ownedand Pledged As Collateral Amount Eligible To Be Repledged By Counterparty Amortized Cost FinancialInstrumentsOwnedandPledgedAsCollateralAmountEligibleToBeRepledgedByCounterpartyAmortizedCost	332859000	USD
CY2020Q4	us-gaap	Secured Debt Repurchase Agreements SecuredDebtRepurchaseAgreements	300000000	USD
CY2020Q4	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountEligibleToBeRepledgedByCounterparty	341789000	USD
CY2019Q4	fbp	Financial Instruments Ownedand Pledged As Collateral Amount Eligible To Be Repledged By Counterparty Amortized Cost FinancialInstrumentsOwnedandPledgedAsCollateralAmountEligibleToBeRepledgedByCounterpartyAmortizedCost	129406000	USD
CY2019Q4	us-gaap	Secured Debt Repurchase Agreements SecuredDebtRepurchaseAgreements	100000000	USD
CY2019Q4	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountEligibleToBeRepledgedByCounterparty	130165000	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	300000000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Fixed Rate FederalHomeLoanBankAdvancesFixedRate	440000000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Fixed Rate FederalHomeLoanBankAdvancesFixedRate	570000000	USD
CY2020Q4	fbp	Federal Home Loan Bank Advances Maturities Due Three Months To Six Year FederalHomeLoanBankAdvancesMaturitiesDueThreeMonthsToSixYear	120000000	USD
CY2020Q4	fbp	Federalhomeloanbankadvancesmaturitiesduesixmonthstooneyear Federalhomeloanbankadvancesmaturitiesduesixmonthstooneyear	120000000	USD
CY2020Q4	fbp	Federal Home Loan Bank Advances Maturities Due One To Three Years FederalHomeLoanBankAdvancesMaturitiesDueOneToThreeYears	200000000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Fixed Rate FederalHomeLoanBankAdvancesFixedRate	440000000	USD
CY2020	fbp	Qualifying Mortgage Collateral With Market Value Higher Than Outstanding Advances QualifyingMortgageCollateralWithMarketValueHigherThanOutstandingAdvances	1.25	pure
CY2020Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds	1200000	USD
CY2020Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	183762000	USD
CY2019Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	184150000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	102273000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	167377000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	201608000	USD
CY2020	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	2676000	USD
CY2019	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	2676000	USD
CY2018	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	2676000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	99597000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	164701000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	198932000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	216904	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	216614	shares
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3768000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.020	pure
CY2020	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	-26780000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	-0.230	pure
CY2019	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	-24811000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	-0.104	pure
CY2018	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	-22782000	USD
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	968	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	217668	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	217134	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	216677	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.76
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.92
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.46
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.76
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.92
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000	shares
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.10
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	223034348	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	222103721	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	218235064	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	217359337	shares
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.07
CY2021Q1	fbp	Increase Decease Dividends Per Share Declared IncreaseDeceaseDividendsPerShareDeclared	0.02
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2020Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	25
CY2020	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	51814	shares
CY2019	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	176015	shares
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	4799284	shares
CY2019Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	4744384	shares
CY2020	fbp	Legal Surplus Reserve Rate LegalSurplusReserveRate	0.10	pure
CY2020	fbp	Puerto Rico Banking Law Description PuertoRicoBankingLawDescription	The Puerto Rico Banking Law provides that, when the expenditures of a Puerto Rico commercial bank are greater than receipts, the excess of the expenditures over receipts must be charged against the undistributed profits of the bank, and the balance, if any, must be charged against the legal surplus reserve, as a reduction thereof. If the legal surplus reserve is not sufficient to cover such balance in whole or in part, the outstanding amount must be charged against the capital account and the Bank cannot pay dividends until it can replenish the legal surplus reserve to an amount of at least 20% of the original capital contributed.
CY2020	fbp	Legal Surplus Amount Additions LegalSurplusAmountAdditions	11700000	USD
CY2019	fbp	Legal Surplus Amount Additions LegalSurplusAmountAdditions	17400000	USD
CY2020Q4	us-gaap	Statutory Accounting Practices Statutory Amount Available For Dividend Payments With Regulatory Approval StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithRegulatoryApproval	109300000	USD
CY2019Q4	us-gaap	Statutory Accounting Practices Statutory Amount Available For Dividend Payments With Regulatory Approval StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithRegulatoryApproval	97600000	USD
	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0599	pure
CY2020Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1	pure
CY2020Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	106000000	USD
CY2020	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.50	pure
CY2020	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	0.06	pure
CY2020	us-gaap	Description Of Defined Contribution Pension And Other Postretirement Plans DescriptionOfDefinedContributionPensionAndOtherPostretirementPlans	The matching contribution of fifty cents for every dollar of the employee’s contribution is comprised of: (i) twenty-five cents for every dollar of the employee’s contribution up to 6% of the employee’s eligible compensation to be paid to the Plan as of each bi-weekly payroll; and (ii) an additional twenty-five cents for every dollar of the employee’s contribution up to 6% of the employee’s eligible compensation to be deposited as a lump sum subsequent to the Plan Year.
CY2020	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	0	USD
CY2020	us-gaap	Defined Contribution Plan Administrative Expenses DefinedContributionPlanAdministrativeExpenses	3000000.0	USD
CY2019	us-gaap	Defined Contribution Plan Administrative Expenses DefinedContributionPlanAdministrativeExpenses	2900000	USD
CY2018	us-gaap	Defined Contribution Plan Administrative Expenses DefinedContributionPlanAdministrativeExpenses	1500000	USD
CY2020	fbp	Supplies And Printing Expenses SuppliesAndPrintingExpenses	2391000	USD
CY2019	fbp	Supplies And Printing Expenses SuppliesAndPrintingExpenses	1966000	USD
CY2018	fbp	Supplies And Printing Expenses SuppliesAndPrintingExpenses	2177000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5912000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3086000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3593000	USD
CY2020	fbp	Servicing And Processing Fees ServicingAndProcessingFees	4696000	USD
CY2019	fbp	Servicing And Processing Fees ServicingAndProcessingFees	4781000	USD
CY2018	fbp	Servicing And Processing Fees ServicingAndProcessingFees	4991000	USD
CY2020	fbp	Insurance And Supervisory Fees InsuranceAndSupervisoryFees	6324000	USD
CY2019	fbp	Insurance And Supervisory Fees InsuranceAndSupervisoryFees	3596000	USD
CY2018	fbp	Insurance And Supervisory Fees InsuranceAndSupervisoryFees	4602000	USD
CY2020	us-gaap	Provision For Other Losses ProvisionForOtherLosses	3390000	USD
CY2019	us-gaap	Provision For Other Losses ProvisionForOtherLosses	2164000	USD
CY2018	us-gaap	Provision For Other Losses ProvisionForOtherLosses	1836000	USD
CY2020	us-gaap	Other General Expense OtherGeneralExpense	3105000	USD
CY2019	us-gaap	Other General Expense OtherGeneralExpense	4640000	USD
CY2018	us-gaap	Other General Expense OtherGeneralExpense	5140000	USD
CY2020	us-gaap	Other Noninterest Expense OtherNoninterestExpense	25818000	USD
CY2019	us-gaap	Other Noninterest Expense OtherNoninterestExpense	20233000	USD
CY2018	us-gaap	Other Noninterest Expense OtherNoninterestExpense	22339000	USD
CY2020	fbp	Non Deferrable Loan Fees NonDeferrableLoanFees	3750000	USD
CY2019	fbp	Non Deferrable Loan Fees NonDeferrableLoanFees	2789000	USD
CY2018	fbp	Non Deferrable Loan Fees NonDeferrableLoanFees	2384000	USD
CY2020	fbp	Automated Teller Machine And Point Of Sale Fees AutomatedTellerMachineAndPointOfSaleFees	7723000	USD
CY2019	fbp	Automated Teller Machine And Point Of Sale Fees AutomatedTellerMachineAndPointOfSaleFees	9147000	USD
CY2018	fbp	Automated Teller Machine And Point Of Sale Fees AutomatedTellerMachineAndPointOfSaleFees	9515000	USD
CY2020	fbp	Other Fees And Commissions Credit Cards OtherFeesAndCommissionsCreditCards	12042000	USD
CY2019	fbp	Mail And Cable Transmision Commissions Revenue MailAndCableTransmisionCommissionsRevenue	2207000	USD
CY2018	fbp	Mail And Cable Transmision Commissions Revenue MailAndCableTransmisionCommissionsRevenue	2101000	USD
CY2020	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	0	USD
CY2019	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	2316000	USD
CY2018	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	-3186000	USD
CY2020	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	215000	USD
CY2019	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-242000	USD
CY2018	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	1366000	USD
CY2020	fbp	Gain From Insurance Proceeds GainFromInsuranceProceeds	5000000	USD
CY2019	fbp	Gain From Insurance Proceeds GainFromInsuranceProceeds	660000	USD
CY2018	fbp	Gain From Insurance Proceeds GainFromInsuranceProceeds	537000	USD
CY2020	us-gaap	Noninterest Income Other NoninterestIncomeOther	4720000	USD
CY2019	us-gaap	Noninterest Income Other NoninterestIncomeOther	5638000	USD
CY2018	us-gaap	Noninterest Income Other NoninterestIncomeOther	5183000	USD
CY2020	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	41834000	USD
CY2019	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	39909000	USD
CY2018	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	32742000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.39	pure
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.375	pure
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	18421000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	16986000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	14073000	USD
CY2020	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	15402000	USD
CY2020	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-8000000	USD
CY2019	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	0	USD
CY2018	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-63228000	USD
CY2020	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	3629000	USD
CY2019	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	55009000	USD
CY2018	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	22783000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14050000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	71995000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-10970000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	43621000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.375	pure
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	89764000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.375	pure
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	74349000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.390	pure
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	4944000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.042	pure
CY2019	fbp	Income Tax Rate Reconciliation Nol Carryforwards IncomeTaxRateReconciliationNOLCarryforwards	15887000	USD
CY2019	fbp	Effective Income Tax Rate Reconciliations Nol Carryforwards EffectiveIncomeTaxRateReconciliationsNOLCarryforwards	0.066	pure
CY2018	fbp	Income Tax Rate Reconciliation Nol Carryforwards IncomeTaxRateReconciliationNOLCarryforwards	14904000	USD
CY2018	fbp	Effective Income Tax Rate Reconciliations Nol Carryforwards EffectiveIncomeTaxRateReconciliationsNOLCarryforwards	0.078	pure
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-12095000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.104	pure
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-14108000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.059	pure
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-90521000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.475	pure
CY2020	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0	pure
CY2019	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0	pure
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	15402000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.081	pure
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	157000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.001	pure
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-1165000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.005	pure
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-1595000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.008	pure
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	-387000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	-0.003	pure
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	-1712000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	-0.007	pure
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	-839000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	-0.004	pure
CY2020	fbp	Income Tax Rate Reconciliation Prior Periods Income Tax Returns IncomeTaxRateReconciliationPriorPeriodsIncomeTaxReturns	597000	USD
CY2020	fbp	Effective Income Tax Rate Reconciliations Prior Periods Income Tax Returns EffectiveIncomeTaxRateReconciliationsPriorPeriodsIncomeTaxReturns	0.005	pure
CY2019	fbp	Income Tax Rate Reconciliation Prior Periods Income Tax Returns IncomeTaxRateReconciliationPriorPeriodsIncomeTaxReturns	1846000	USD
CY2019	fbp	Effective Income Tax Rate Reconciliations Prior Periods Income Tax Returns EffectiveIncomeTaxRateReconciliationsPriorPeriodsIncomeTaxReturns	0.008	pure
CY2018	fbp	Income Tax Rate Reconciliation Prior Periods Income Tax Returns IncomeTaxRateReconciliationPriorPeriodsIncomeTaxReturns	4000	USD
CY2018	fbp	Effective Income Tax Rate Reconciliations Prior Periods Income Tax Returns EffectiveIncomeTaxRateReconciliationsPriorPeriodsIncomeTaxReturns	0	pure
CY2020	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-5061000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.043	pure
CY2019	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	1827000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.011	pure
CY2018	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-3660000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.019	pure
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14050000	USD
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.121	pure
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	71995000	USD
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.301	pure
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-10970000	USD
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.057	pure
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	220496000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	259717000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	151586000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	58793000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	27396000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	13813000	USD
CY2020Q4	fbp	Deferred Tax Assets Unrealized Net Loss On Reo Valuation DeferredTaxAssetsUnrealizedNetLossOnReoValuation	13426000	USD
CY2019Q4	fbp	Deferred Tax Assets Unrealized Net Loss On Reo Valuation DeferredTaxAssetsUnrealizedNetLossOnReoValuation	13963000	USD
CY2020Q4	fbp	Deferred Tax Assets Settlement Payment Closing Agreement DeferredTaxAssetsSettlementPaymentClosingAgreement	7031000	USD
CY2019Q4	fbp	Deferred Tax Assets Settlement Payment Closing Agreement DeferredTaxAssetsSettlementPaymentClosingAgreement	7031000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Legal Settlements DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements	4120000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Legal Settlements DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements	2791000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Unearned Premiums Reserve DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve	941000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Unearned Premiums Reserve DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve	613000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	8647000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	9722000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	445599000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	366443000	USD
CY2020Q4	fbp	Deferred Tax Liabilities Differences Between Assigned Values And Tax Bases Of Assets And Liabilities Recognized In Purchase Business Combinations DeferredTaxLiabilitiesDifferencesBetweenAssignedValuesAndTaxBasesOfAssetsAndLiabilitiesRecognizedInPurchaseBusinessCombinations	0	USD
CY2019Q4	fbp	Deferred Tax Liabilities Differences Between Assigned Values And Tax Bases Of Assets And Liabilities Recognized In Purchase Business Combinations DeferredTaxLiabilitiesDifferencesBetweenAssignedValuesAndTaxBasesOfAssetsAndLiabilitiesRecognizedInPurchaseBusinessCombinations	3823000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	9571000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	8906000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	4730000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	1808000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	53000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	511000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	14354000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	15048000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	101984000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	86553000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	329261000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	264842000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration	144700000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Not Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration	210700000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Not Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration	92000000.0	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	0	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	13800000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	10700000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	103186000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	61327000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	106502000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	64259000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y6M
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P10Y9M18D
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0225	pure
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.000329	pure
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	13464000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	10219000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1328000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	10762000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	19062000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	17945000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	16018000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	14507000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	13363000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	37783000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	118678000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	12176000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	106502000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	155139000	USD
CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	600322000	USD
CY2020	us-gaap	Noninterest Income NoninterestIncome	111226000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	711548000	USD
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	567081000	USD
CY2019	us-gaap	Noninterest Income NoninterestIncome	90572000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	657653000	USD
CY2018	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	525383000	USD
CY2018	us-gaap	Noninterest Income NoninterestIncome	82310000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	607693000	USD
CY2020	fbp	Required Visa Debit Portfolio Ratio RequiredVisaDebitPortfolioRatio	0.50	pure
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	2200000	USD
CY2019	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	0	USD
CY2018	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	0	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	10762000	USD
CY2018	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	USD
CY2020	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	1280424000	USD
CY2020Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets	5561564000	USD
CY2019Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets	0	USD
CY2018Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets	0	USD
CY2020Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities	4291674000	USD
CY2019Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities	0	USD
CY2018Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities	0	USD
CY2020Q1	fbp	Percentage Of Increase In Acl Adjusted In Capital Measures PercentageOfIncreaseInACLAdjustedInCapitalMeasures	0.25	pure
CY2020Q1	fbp	Percentage Of Increase In Acl Adjusted In Capital Measures PercentageOfIncreaseInACLAdjustedInCapitalMeasures	0.25	pure
CY2020Q1	fbp	Percentage Of Increase In Acl Adjusted In Capital Measures PercentageOfIncreaseInACLAdjustedInCapitalMeasures	0.25	pure
CY2020Q4	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	2500000	USD
CY2019Q4	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	400000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	89000	USD
CY2020Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	89000	USD
CY2020Q4	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	0	USD
CY2020Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	89000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	0	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	11000	USD
CY2019Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	11000	USD
CY2019Q4	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	0	USD
CY2019Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	11000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	0	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Gross SecuritiesPurchasedUnderAgreementsToResellGross	200000000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Liability SecuritiesPurchasedUnderAgreementsToResellLiability	200000000	USD
CY2019Q4	fbp	Securities Purchased Under Agreements To Resell Not Offset SecuritiesPurchasedUnderAgreementsToResellNotOffset	0	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Securities SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnSecurities	0	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Cash SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnCash	0	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Amount Offset Against Collateral SecuritiesPurchasedUnderAgreementsToResellAmountOffsetAgainstCollateral	0	USD
CY2019Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Gross DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedGross	200011000	USD
CY2019Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Liability DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiability	200000000	USD
CY2019Q4	fbp	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Liability Not Offset DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiabilityNotOffset	11000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral	0	USD
CY2018	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	624967000	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	300000000	USD
CY2020Q4	us-gaap	Securities Borrowed Amount Offset Against Collateral SecuritiesBorrowedAmountOffsetAgainstCollateral	0	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	300000000	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	300000000	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Cash SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash	0	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral	0	USD
CY2019Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Amount Offset Against Collateral DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedAmountOffsetAgainstCollateral	0	USD
CY2021Q1	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Gross DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross	301919000	USD
CY2021Q1	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Asset DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset	0	USD
CY2021Q1	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned	301919000	USD
CY2021Q1	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Securities DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities	301919000	USD
CY2021Q1	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Cash DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash	0	USD
CY2021Q1	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Amount Offset Against Collateral DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral	0	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	300000000	USD
CY2019Q4	us-gaap	Securities Borrowed Amount Offset Against Collateral SecuritiesBorrowedAmountOffsetAgainstCollateral	200000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	100000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	100000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Cash SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash	0	USD
CY2019Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Securities DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedCollateralObligationToReturnSecurities	0	USD
CY2019Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Cash DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedCollateralObligationToReturnCash	11000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	1919000	USD
CY2020Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	0	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	1919000	USD
CY2020Q4	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	1919000	USD
CY2020Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	0	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	0	USD
CY2018	us-gaap	Interest Expense InterestExpense	99584000	USD
CY2018	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	525383000	USD
CY2018	us-gaap	Noninterest Income NoninterestIncome	82310000	USD
CY2020	us-gaap	Revenues Revenues	804208000	USD
CY2019	us-gaap	Revenues Revenues	766469000	USD
CY2018	us-gaap	Revenues Revenues	707277000	USD
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	2500000	USD
CY2020	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	300000	USD
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	2476000	USD
CY2018Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	2071000	USD
CY2017Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	2396000	USD
CY2020	fbp	Additions To Contract Liability AdditionsToContractLiability	0	USD
CY2019	fbp	Additions To Contract Liability AdditionsToContractLiability	730000	USD
CY2018	fbp	Additions To Contract Liability AdditionsToContractLiability	0	USD
CY2020	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	-325000	USD
CY2019	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	-325000	USD
CY2018	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	-325000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	2151000	USD
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	2476000	USD
CY2018Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	2071000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	94872000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	107010000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	98194000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	16713000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	13495000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	7175000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	13464000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	10219000	USD
CY2018	us-gaap	Operating Lease Payments OperatingLeasePayments	0	USD
CY2020	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	7249000	USD
CY2019	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	40398000	USD
CY2018	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	48767000	USD
CY2020	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	36203000	USD
CY2019	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	47643000	USD
CY2018	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	52023000	USD
CY2020	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	4864000	USD
CY2019	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	4039000	USD
CY2018	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	3864000	USD
CY2020	fbp	Noncash Loan Securitizations NoncashLoanSecuritizations	221491000	USD
CY2019	fbp	Noncash Loan Securitizations NoncashLoanSecuritizations	235258000	USD
CY2018	fbp	Noncash Loan Securitizations NoncashLoanSecuritizations	233175000	USD
CY2020	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	10817000	USD
CY2019	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	24470000	USD
CY2018	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	90319000	USD
CY2020	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	0	USD
CY2019	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	0	USD
CY2018	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	2179000	USD
CY2020	fbp	Payable On Unsettled Securities Purchases PayableOnUnsettledSecuritiesPurchases	24033000	USD
CY2019	fbp	Payable On Unsettled Securities Purchases PayableOnUnsettledSecuritiesPurchases	0	USD
CY2018	fbp	Payable On Unsettled Securities Purchases PayableOnUnsettledSecuritiesPurchases	0	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1328000	USD

Files In Submission

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2020 Q4 Form 10-K Financial Statement

#000105770621000006 Filed on March 01, 2021

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$FBP FIRST BANCORP /PR/ Stock $fbp

2020 Q4 Form 10-K Financial Statement

#000105770621000006 Filed on March 01, 2021

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Files In Submission

$FBP
FIRST BANCORP /PR/ Stock $fbp