$FBP
First BanCorp Stock $fbp

$fbp Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000105770622000005 Filed on March 01, 2022

Income Statement

Concept	2021 Q4	2021	2020 Q4
Revenue		$915.9M
YoY Change		13.88%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development		$9.387M
YoY Change		11.26%
% of Gross Profit
Depreciation & Amortization	$8.800M	$36.40M	$9.300M
YoY Change	-5.38%	40.0%	86.0%
% of Gross Profit
Operating Expenses		$9.387M
YoY Change		11.26%
Operating Profit
YoY Change
Interest Expense		$64.78M
YoY Change		-30.09%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$115.3M	$427.8M	$65.50M
YoY Change	76.03%	267.78%	22.43%
Income Tax	$41.60M	$146.8M	$15.40M
% Of Pretax Income	36.08%	34.31%	23.51%
Net Earnings	$73.60M	$281.0M	$50.10M
YoY Change	46.91%	174.78%	37.64%
Net Earnings / Revenue		30.68%
Basic Earnings Per Share		$1.32
Diluted Earnings Per Share	$359.7K	$1.31	$229.7K
COMMON SHARES
Basic Shares Outstanding	205.6M shares	210.1K shares	218.2M shares
Diluted Shares Outstanding		211.3K shares

Balance Sheet

Concept	2021 Q4	2021	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$2.543B		$1.494B
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	$146.4M	$237.0M	$158.2M
YoY Change	-7.45%	-9.2%	5.48%
Goodwill	$38.60M		$38.63M
YoY Change	-0.08%		37.49%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$208.0M	$208.0M	$329.0M
YoY Change	-36.78%	-36.78%	24.15%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$20.79B	$20.79B	$18.79B
YoY Change	10.6%	10.6%	49.02%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$121.0M	$121.0M	$170.0M
YoY Change	-28.82%	-28.82%	46.55%
Accrued Expenses	$94.00M	$94.00M	$107.0M
YoY Change	-12.15%	-12.15%	67.19%
Deferred Revenue
YoY Change
Short-Term Debt	$300.0M	$300.0M	$300.0M
YoY Change	0.0%	0.0%	200.0%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$215.0M	$215.0M	$277.0M
YoY Change	-22.38%	-22.38%	53.89%
LONG-TERM LIABILITIES
Long-Term Debt	$184.0M	$184.0M	$184.0M
YoY Change	0.0%	0.0%	0.0%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$184.0M	$184.0M	$184.0M
YoY Change	0.0%	0.0%	0.0%
TOTAL LIABILITIES
Total Short-Term Liabilities	$215.0M	$215.0M	$277.0M
Total Long-Term Liabilities	$184.0M	$184.0M	$184.0M
Total Liabilities	$18.68B	$18.68B	$16.52B
YoY Change	13.11%	13.11%	59.08%
SHAREHOLDERS EQUITY
Retained Earnings	$1.427B		$1.215B
YoY Change	17.44%		-0.53%
Common Stock	$22.37M		$22.30M
YoY Change	0.28%		0.42%
Preferred Stock
YoY Change
Treasury Stock (at cost)			$480.0K
YoY Change			1.27%
Treasury Stock Shares	21.84M shares		4.799M shares
Shareholders Equity	$2.102B	$2.102B	$2.275B
YoY Change
Total Liabilities & Shareholders Equity	$20.79B	$20.79B	$18.79B
YoY Change	10.6%	10.6%	49.02%

Cashflow Statement

Concept	2021 Q4	2021	2020 Q4
OPERATING ACTIVITIES
Net Income	$73.60M	$281.0M	$50.10M
YoY Change	46.91%	174.78%	37.64%
Depreciation, Depletion And Amortization	$8.800M	$36.40M	$9.300M
YoY Change	-5.38%	40.0%	86.0%
Cash From Operating Activities	$96.10M	$399.7M	$127.1M
YoY Change	-24.39%	34.25%	116.89%
INVESTING ACTIVITIES
Capital Expenditures	-$2.500M	$13.35M	-$4.800M
YoY Change	-47.92%	-16.93%	-11.11%
Acquisitions
YoY Change
Other Investing Activities	$222.2M	-$1.250B	-$1.146B
YoY Change	-119.39%	2.19%	173.7%
Cash From Investing Activities	$219.6M	-$1.263B	-$1.151B
YoY Change	-119.08%	1.95%	171.35%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$216.5M
YoY Change		105007.77%
Debt Paid & Issued, Net		$240.0M
YoY Change		151.88%
Cash From Financing Activities	-430.9M	$1.912B	48.00M
YoY Change	-997.71%	6.79%	42.86%
NET CHANGE
Cash From Operating Activities	96.10M	$399.7M	127.1M
Cash From Investing Activities	219.6M	-$1.263B	-1.151B
Cash From Financing Activities	-430.9M	$1.912B	48.00M
Net Change In Cash	-115.2M	$1.049B	-975.7M
YoY Change	-88.19%	23.48%	193.97%
FREE CASH FLOW
Cash From Operating Activities	$96.10M	$399.7M	$127.1M
Capital Expenditures	-$2.500M	$13.35M	-$4.800M
Free Cash Flow	$98.60M	$386.4M	$131.9M
YoY Change	-25.25%	37.17%	106.09%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2020Q4	fbp	Deposit Liabilities Collateral Issued Financial Instruments Market Value DepositLiabilitiesCollateralIssuedFinancialInstrumentsMarketValue	2100000000	USD
CY2019	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	138197	shares
CY2021Q4	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	0	USD
CY2021Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	8000	USD
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0001057706
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	22004000	shares
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.1
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CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	fbp	Nonacrualsustainedperformanceperiod Nonacrualsustainedperformanceperiod	P6M
CY2021	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2021	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	false
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	001-14793
CY2021	dei	Entity Registrant Name EntityRegistrantName	FIRST BANCORP.
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	PR
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	66-0561882
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	1519 Ponce de León Avenue, Stop 23
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	00908
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Santurce
CY2021	dei	Entity Address Country EntityAddressCountry	PR
CY2021	dei	City Area Code CityAreaCode	787
CY2021	dei	Local Phone Number LocalPhoneNumber	729-8200
CY2021	dei	Security12b Title Security12bTitle	Common Stock ($0.10 par value)
CY2021	dei	Trading Symbol TradingSymbol	FBP
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2021	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-61720000	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
CY2021	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-65698000	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
CY2021	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	795627000	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
CY2021	fbp	Fees And Commissions Income Debit Cards FeesAndCommissionsIncomeDebitCards	35284000	USD
CY2020	fbp	Fees And Commissions Income Debit Cards FeesAndCommissionsIncomeDebitCards	24612000	USD
CY2019	fbp	Fees And Commissions Income Debit Cards FeesAndCommissionsIncomeDebitCards	23916000	USD
CY2021	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	24998000	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
CY2021	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	0	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
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	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
CY2021	us-gaap	Insurance Investment Income InsuranceInvestmentIncome	11945000	USD
CY2020	us-gaap	Insurance Investment Income InsuranceInvestmentIncome	9364000	USD
CY2019	us-gaap	Insurance Investment Income InsuranceInvestmentIncome	10186000	USD
CY2021	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	48937000	USD
CY2020	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	41834000	USD
CY2019	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	39909000	USD
CY2021	us-gaap	Noninterest Income NoninterestIncome	121164000	USD
CY2020	us-gaap	Noninterest Income NoninterestIncome	111226000	USD
CY2019	us-gaap	Noninterest Income NoninterestIncome	90572000	USD
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	200457000	USD
CY2020	us-gaap	Labor And Related Expense LaborAndRelatedExpense	177073000	USD
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	162374000	USD
CY2021	us-gaap	Occupancy Net OccupancyNet	93253000	USD
CY2020	us-gaap	Occupancy Net OccupancyNet	74633000	USD
CY2019	us-gaap	Occupancy Net OccupancyNet	63169000	USD
CY2020	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	12145000	USD
CY2019	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	15710000	USD
CY2021	us-gaap	Professional Fees ProfessionalFees	59956000	USD
CY2020	us-gaap	Professional Fees ProfessionalFees	52633000	USD
CY2019	us-gaap	Professional Fees ProfessionalFees	45889000	USD
CY2021	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	22151000	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
CY2021	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	6544000	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
CY2021	fbp	Net Loss On Real Estate Owned Operations NetLossOnRealEstateOwnedOperations	-2160000	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
CY2021	fbp	Credit And Debit Processing Fees CreditAndDebitProcessingFees	22169000	USD
CY2020	fbp	Credit And Debit Processing Fees CreditAndDebitProcessingFees	19144000	USD
CY2021	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	9387000	USD
CY2020	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	8437000	USD
CY2019	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	6891000	USD
CY2021	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	26435000	USD
CY2020	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	26509000	USD
CY2019	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	11442000	USD
CY2021	us-gaap	Other Noninterest Expense OtherNoninterestExpense	35423000	USD
CY2020	us-gaap	Other Noninterest Expense OtherNoninterestExpense	25818000	USD
CY2019	us-gaap	Other Noninterest Expense OtherNoninterestExpense	20233000	USD
CY2021	us-gaap	Noninterest Expense NoninterestExpense	488974000	USD
CY2020	us-gaap	Noninterest Expense NoninterestExpense	424240000	USD
CY2019	us-gaap	Noninterest Expense NoninterestExpense	378468000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	427817000	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
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	146792000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14050000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	71995000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	281025000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	102273000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	167377000	USD
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	277338000	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
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.32
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.76
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.31
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.46
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.76
CY2021	us-gaap	Net Income Loss NetIncomeLoss	281025000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	102273000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	167377000	USD
CY2021	fbp	Credit Losses Subsequent Unrealized Gain On Debt Securities CreditLossesSubsequentUnrealizedGainOnDebtSecurities	1417000	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
CY2021	fbp	Other Comprehensive Income Loss Securities Available For Sale Adjustment For Provision For Credit Loss After Tax OtherComprehensiveIncomeLossSecuritiesAvailableForSaleAdjustmentForProvisionForCreditLossAfterTax	-136000	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
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	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
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-144396000	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
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	3661000	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
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-139454000	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
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	141571000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	150964000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	214556000	USD
CY2021	fbp	Credit Losses Subsequent Unrealized Gain On Debt Securities Tax CreditLossesSubsequentUnrealizedGainOnDebtSecuritiesTax	0	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
CY2021	fbp	Other Comprehensive Income Loss Securities Available For Sale Adjustment For Provision For Credit Loss Tax OtherComprehensiveIncomeLossSecuritiesAvailableForSaleAdjustmentForProvisionForCreditLossTax	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
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	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
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	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
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	2199000	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
CY2021	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	2199000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-162000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	0	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	281025000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	102273000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	167377000	USD
CY2021	us-gaap	Depreciation Nonproduction DepreciationNonproduction	24965000	USD
CY2020	us-gaap	Depreciation Nonproduction DepreciationNonproduction	20068000	USD
CY2019	us-gaap	Depreciation Nonproduction DepreciationNonproduction	17592000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	11407000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5912000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3086000	USD
CY2021	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-65698000	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
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	118323000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-4371000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	55009000	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	5460000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	5117000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	3949000	USD
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	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
CY2021	us-gaap	Debt Securities Gain Loss DebtSecuritiesGainLoss	0	USD
CY2020	us-gaap	Debt Securities Gain Loss DebtSecuritiesGainLoss	13198000	USD
CY2019	us-gaap	Debt Securities Gain Loss DebtSecuritiesGainLoss	-497000	USD
CY2021	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	4227000	USD
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	5635000	USD
CY2019	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	2934000	USD
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	32000	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
CY2021	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	14791000	USD
CY2020	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	13273000	USD
CY2019	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	10446000	USD
CY2021	fbp	Amortization Of Premiums And Discounts On Deferred Loan Fees And Costs AmortizationOfPremiumsAndDiscountsOnDeferredLoanFeesAndCosts	25294000	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
CY2021	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	503200000	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
CY2021	us-gaap	Proceeds From Sale And Collection Of Loans Heldforsale ProceedsFromSaleAndCollectionOfLoansHeldforsale	528253000	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
CY2021	fbp	Amortization Of Broker Placement Fees AmortizationOfBrokerPlacementFees	218000	USD
CY2020	fbp	Amortization Of Broker Placement Fees AmortizationOfBrokerPlacementFees	537000	USD
CY2019	fbp	Amortization Of Broker Placement Fees AmortizationOfBrokerPlacementFees	732000	USD
CY2021	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-26549000	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
CY2021	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-7701000	USD
CY2020	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-6419000	USD
CY2019	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	1971000	USD
CY2021	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-2776000	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
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-24344000	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
CY2021	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-12506000	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
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	399721000	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
CY2021	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-599097000	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
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
CY2021	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	55867000	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
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1195250000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	3447921000	USD
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	3820148000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	765432000	USD
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1445873000	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
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	12677000	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
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	13349000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	22478000	USD
CY2021	us-gaap	Proceeds From Sale Of Other Productive Assets ProceedsFromSaleOfOtherProductiveAssets	832000	USD
CY2020	us-gaap	Proceeds From Sale Of Other Productive Assets ProceedsFromSaleOfOtherProductiveAssets	497000	USD
CY2019	us-gaap	Proceeds From Sale Of Other Productive Assets ProceedsFromSaleOfOtherProductiveAssets	1568000	USD
CY2021	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-5322000	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
CY2021	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	550000	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
CY2021	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	-3381000	USD
CY2020	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	406626000	USD
CY2019	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1262975000	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
CY2021	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	2472579000	USD
CY2020	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	1767441000	USD
CY2019	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	361657000	USD
CY2021	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	0	USD
CY2020	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-35000000	USD
CY2019	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-15086000	USD
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	240000000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	95282000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	205000000	USD
CY2021	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	0	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
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	216522000	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
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	65021000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	43416000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	30356000	USD
CY2021	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	2453000	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
CY2021	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	36104000	USD
CY2020	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	0	USD
CY2019	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	0	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1912479000	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
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	1049225000	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
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
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2543058000	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
CY2021Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	2540376000	USD
CY2020Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	1433261000	USD
CY2019Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	546391000	USD
CY2021Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	2682000	USD
CY2020Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	60572000	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2543058000	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
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.31
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.20
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.14
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	2101767000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	2275179000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	2228073000	USD
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1200000000	USD
CY2021	fbp	Troubled Debt Restructurings Sustained Performance Period TroubledDebtRestructuringsSustainedPerformancePeriod	P6M
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<div id="TextBlockContainer13" style="position:relative;font-family:'Times New Roman';font-size:13.28px;color:#000000;line-height:normal;width:733px;height:77px;display:inline-block;border:inherit;margin-left:-2px;margin-right:-2px;"><div id="a155094" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:bold;font-style:italic;color:#000000;left:19px;top:0px;">Use of estimates in the preparation of financial statements</div><div id="a155097" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:normal;font-style:normal;color:#000000;left:19px;top:31px;">The<div style="display:inline-block;width:5px"> </div>preparation<div style="display:inline-block;width:5px"> </div>of<div style="display:inline-block;width:5px"> </div>financial<div style="display:inline-block;width:5px"> </div>statements<div style="display:inline-block;width:5px"> </div>in<div style="display:inline-block;width:5px"> </div>conformity<div style="display:inline-block;width:5px"> </div>with GAAP<div style="display:inline-block;width:6px"> </div>requires<div style="display:inline-block;width:5px"> </div>management<div style="display:inline-block;width:5px"> </div>to<div style="display:inline-block;width:5px"> </div>make<div style="display:inline-block;width:5px"> </div>estimates<div style="display:inline-block;width:5px"> </div>and<div style="display:inline-block;width:5px"> </div>assumptions<div style="display:inline-block;width:5px"> </div>that </div><div id="a155098" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:normal;font-style:normal;color:#000000;left:4px;top:46px;">affect<div style="display:inline-block;width:5px"> </div>the reported<div style="display:inline-block;width:6px"> </div>amounts of<div style="display:inline-block;width:5px"> </div>assets, liabilities,<div style="display:inline-block;width:6px"> </div>and contingent<div style="display:inline-block;width:6px"> </div>liabilities as<div style="display:inline-block;width:5px"> </div>of the<div style="display:inline-block;width:6px"> </div>date of<div style="display:inline-block;width:5px"> </div>the financial<div style="display:inline-block;width:6px"> </div>statements, and<div style="display:inline-block;width:5px"> </div>the reported </div><div id="a155104" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:normal;font-style:normal;color:#000000;left:4px;top:61px;">amounts of revenues and expenses during the reporting period. Actual results<div style="display:inline-block;width:5px"> </div>could differ from those estimates.</div></div>
CY2021	fbp	Threshold Period Past Due Of Financing Receivables To Be Considered Nonperforming ThresholdPeriodPastDueOfFinancingReceivablesToBeConsideredNonperforming	P90D
CY2021	fbp	Loans Foreclosure Delinquency Threshold LoansForeclosureDelinquencyThreshold	P120D
CY2021	fbp	Loans Foreclosure Delinquency Threshold LoansForeclosureDelinquencyThreshold	P120D
CY2021Q2	fbp	New Accounting Policy Or Change In Accounting Policy Effect Of Adoption NewAccountingPolicyOrChangeInAccountingPolicyEffectOfAdoption	4100000	USD
CY2021Q2	fbp	Provision For Loan And Lease Losses Period Increase Decrease ProvisionForLoanAndLeaseLossesPeriodIncreaseDecrease	1100000	USD
CY2021Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	500000	USD
CY2020Q4	fbp	Reward Liability Included In Other Liabilities RewardLiabilityIncludedInOtherLiabilities	7500000	USD
CY2021	us-gaap	Interest And Other Income InterestAndOtherIncome	75555000	USD
CY2020	us-gaap	Interest And Other Income InterestAndOtherIncome	61935000	USD
CY2021Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	31000000.0	USD
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	33100000	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	0	USD
CY2020	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	USD
CY2021	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	USD
CY2021	fbp	Modified Repurchase Agreements Threshold ModifiedRepurchaseAgreementsThreshold	0.10	pure
CY2021Q4	fbp	Reward Liability Included In Other Liabilities RewardLiabilityIncludedInOtherLiabilities	8800000	USD
CY2021	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	50065000	USD
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	6
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	64300000	USD
CY2021	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	26400000	USD
CY2020	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	26500000	USD
CY2019	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	11400000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	13300000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	100000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	13200000	USD
CY2021Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	300000	USD
CY2020Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	300000	USD
CY2021Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	2682000	USD
CY2020Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	60572000	USD
CY2021	fbp	Weighted Average Rate Time Deposits WeightedAverageRateTimeDeposits	0.0005	pure
CY2020	fbp	Weighted Average Rate Time Deposits WeightedAverageRateTimeDeposits	0.0045	pure
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	6534503000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	28900000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	108537000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	1105000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	6453761000	USD
CY2021Q4	fbp	Debt Securities Available For Sale Maturity Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityWeightedAverageYield	0.0103	pure
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	4584851000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	68995000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	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
CY2020Q4	fbp	Debt Securities Available For Sale Maturity Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityWeightedAverageYield	0.0128	pure
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	6534503000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	6453761000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	4601661000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	76269000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	1008607000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	32268000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	5610268000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	108537000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	782960000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1610000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	44465000	USD
CY2020	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	40281000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	1310000	USD
CY2021	fbp	Provisionforothercreditlossespreviousexpectedcreditlosses Provisionforothercreditlossespreviousexpectedcreditlosses	-136000	USD
CY2021	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Writeoff DebtSecuritiesAvailableForSaleAllowanceForCreditLossWriteoff	69000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	1105000	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
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
CY2020Q3	us-gaap	Debt Securities Held To Maturity Purchased With Credit Deterioration Amount At Purchase Price DebtSecuritiesHeldToMaturityPurchasedWithCreditDeteriorationAmountAtPurchasePrice	55500000	USD
CY2021Q4	us-gaap	Debt Securities Held To Maturity Threshold Period Past Due DebtSecuritiesHeldToMaturityThresholdPeriodPastDue	P30D
CY2021Q4	fbp	Federal Home Loan Bank Capital Stock Par Value FederalHomeLoanBankCapitalStockParValue	100
CY2021Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	21500000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	31200000	USD
CY2019	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	37044000	USD
CY2021	fbp	Interest Income Pr Governement Obligations Us Treasury Securities And Us Government Agencies InterestIncomePrGovernementObligationsUsTreasurySecuritiesAndUsGovernmentAgencies	21372000	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
CY2021	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	72893000	USD
CY2020	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	58547000	USD
CY2019	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	59546000	USD
CY2021	us-gaap	Interest Income Money Market Deposits InterestIncomeMoneyMarketDeposits	2662000	USD
CY2020	us-gaap	Interest Income Money Market Deposits InterestIncomeMoneyMarketDeposits	3388000	USD
CY2019	us-gaap	Interest Income Money Market Deposits InterestIncomeMoneyMarketDeposits	13353000	USD
CY2021	fbp	Interest Income On Investment Securities And Money Market Investments InterestIncomeOnInvestmentSecuritiesAndMoneyMarketInvestments	74114000	USD
CY2020	fbp	Interest Income On Investment Securities And Money Market Investments InterestIncomeOnInvestmentSecuritiesAndMoneyMarketInvestments	59952000	USD
CY2019	fbp	Interest Income On Investment Securities And Money Market Investments InterestIncomeOnInvestmentSecuritiesAndMoneyMarketInvestments	70201000	USD
CY2021	fbp	Dividends On Federal Home Loan Bank Stock DividendsOnFederalHomeLoanBankStock	1394000	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
CY2021	fbp	Dividends On Other Equity Securities DividendsOnOtherEquitySecurities	47000	USD
CY2020	fbp	Dividends On Other Equity Securities DividendsOnOtherEquitySecurities	24000	USD
CY2019	fbp	Dividends On Other Equity Securities DividendsOnOtherEquitySecurities	16000	USD
CY2021	us-gaap	Interest And Other Income InterestAndOtherIncome	75555000	USD
CY2020	us-gaap	Interest And Other Income InterestAndOtherIncome	61935000	USD
CY2019	us-gaap	Interest And Other Income InterestAndOtherIncome	72899000	USD
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	11060658000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	11777289000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	269030000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	385887000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	10791628000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	11391402000	USD
CY2021Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	35300000	USD
CY2020Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	48000000.0	USD
CY2021Q4	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	2100000000	USD
CY2020Q4	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	2500000000	USD
CY2021Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	27733000	USD
CY2021Q4	fbp	Financing Receivable Nonaccrual With Allowance FinancingReceivableNonaccrualWithAllowance	82984000	USD
CY2021Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	110717000	USD
CY2021Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	114679000	USD
CY2021	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	2270000	USD
CY2020	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	2029000	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
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	11060658000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	11777289000	USD
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	11100000000	USD
CY2021	fbp	Minimum Period To Be Considered For Loan To Have Defaulted MinimumPeriodToBeConsideredForLoanToHaveDefaulted	P90D
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	385887000	USD
CY2021	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-61720000	USD
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	80710000	USD
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	25573000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	269030000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	155139000	USD
CY2020	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
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	269000000.0	USD
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	116900000	USD
CY2021	fbp	Allowance For Loan And Lease Losses Writeoffs Net Period Increase Decrease AllowanceForLoanAndLeaseLossesWriteoffsNetPeriodIncreaseDecrease	7300000	USD
CY2021	fbp	Allowance For Loan And Lease Losses Writeoffs Net Period Increase Decrease Percent AllowanceForLoanAndLeaseLossesWriteoffsNetPeriodIncreaseDecreasePercent	0.15	pure
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
CY2020	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	47900000	USD
CY2019	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	81400000	USD
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	11060658000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	269030000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	11777289000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	385887000	USD
CY2021Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	1500000	USD
CY2021	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-3600000	USD
CY2020Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	5100000	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
CY2021	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-3568000	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
CY2021Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	1537000	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
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	116428000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	116876000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	75535000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	11407000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5912000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	28098000	USD
CY2020	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	6303000	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	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
CY2021	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	286000	USD
CY2021	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	108000	USD
CY2021	us-gaap	Loans And Leases Receivable Related Parties Period Increase Decrease LoansAndLeasesReceivableRelatedPartiesPeriodIncreaseDecrease	261000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	943000	USD
CY2020	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	4231000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	38632000	USD
CY2021	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-21000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	38611000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	69623000	USD
CY2021Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	138524000	USD
CY2020Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	138686000	USD
CY2021Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	79419000	USD
CY2020Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	82034000	USD
CY2021Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	148171000	USD
CY2020Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	224623000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	366114000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	445343000	USD
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	251659000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	318659000	USD
CY2021Q4	fbp	Property Plant And Equipment Total Before Land And Cip PropertyPlantAndEquipmentTotalBeforeLandAndCip	114455000	USD
CY2020Q4	fbp	Property Plant And Equipment Total Before Land And Cip PropertyPlantAndEquipmentTotalBeforeLandAndCip	126684000	USD
CY2021Q4	us-gaap	Land Land	23873000	USD
CY2020Q4	us-gaap	Land Land	23873000	USD
CY2021Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	8089000	USD
CY2020Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	7652000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	146417000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	158209000	USD
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	25000000.0	USD
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	20100000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	17600000	USD
CY2021	fbp	Gain From Insurance Proceeds GainFromInsuranceProceeds	600000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	38600000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	38600000	USD
CY2021	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	USD
CY2021Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangibles BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles	29900000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	86942000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	29934000	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
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	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	69623000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	7573000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	8816000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	7736000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	6416000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	3509000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	872000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	2585000	USD
CY2021Q4	us-gaap	Subordinated Debt SubordinatedDebt	183800000	USD
CY2020Q4	us-gaap	Subordinated Debt SubordinatedDebt	183800000	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
CY2021	fbp	Purchases Of Servicing Assets PurchasesOfServicingAssets	0	USD
CY2020	fbp	Purchases Of Servicing Assets PurchasesOfServicingAssets	7781000	USD
CY2019	fbp	Purchases Of Servicing Assets PurchasesOfServicingAssets	0	USD
CY2021	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	5194000	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
CY2021	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	7215000	USD
CY2019	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	4592000	USD
CY2021	us-gaap	Servicing Asset At Amortized Value Valuation Allowance ServicingAssetAtAmortizedValueValuationAllowance	124000	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
CY2021	us-gaap	Servicing Asset At Amortized Value Other Changes That Affect Balance Amount ServicingAssetAtAmortizedValueOtherChangesThatAffectBalanceAmount	188000	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
CY2021Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	30986000	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	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
CY2021	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Aggregate Write Downs ValuationAllowanceForImpairmentOfRecognizedServicingAssetsAggregateWriteDowns	0	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
CY2021	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisions	0	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
CY2021	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsRecoveries	124000	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
CY2021Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	78000	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
CY2021	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	12176000	USD
CY2020	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	9268000	USD
CY2019	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	8522000	USD
CY2021	us-gaap	Late Fee Income Generated By Servicing Financial Assets Amount LateFeeIncomeGeneratedByServicingFinancialAssetsAmount	697000	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
CY2021	us-gaap	Servicing Asset At Amortized Value Other Changes That Affect Balance Amount ServicingAssetAtAmortizedValueOtherChangesThatAffectBalanceAmount	188000	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
CY2021	us-gaap	Ancillary Fee Income Generated By Servicing Financial Assets Amount AncillaryFeeIncomeGeneratedByServicingFinancialAssetsAmount	-1000	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
CY2021	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	12684000	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
CY2020	fbp	Servicing Fees Income ServicingFeesIncome	3502000	USD
CY2019	fbp	Servicing Fees Income ServicingFeesIncome	4412000	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
CY2021	fbp	Servicing Fees Income ServicingFeesIncome	5593000	USD
CY2021Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	30986000	USD
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	33071000	USD
CY2021Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	42132000	USD
CY2020Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	40294000	USD
CY2021	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Life1 ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageLife1	P7Y11M15D
CY2020	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Life1 ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageLife1	P7Y10M9D
CY2021	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.0655	pure
CY2020	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.0673	pure
CY2021Q4	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	1027000	USD
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
CY2021Q4	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	2011000	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
CY2021	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.1117	pure
CY2020	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.1120	pure
CY2021Q4	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	1852000	USD
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
CY2021Q4	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	3561000	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
CY2021	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
CY2021	fbp	Percentage Of Variation In Assumptions PercentageOfVariationInAssumptions	0.10	pure
CY2021Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	7027513000	USD
CY2020Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	4546123000	USD
CY2021Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	4729387000	USD
CY2020Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	4088969000	USD
CY2021Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	3492645000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	3651806000	USD
CY2021Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	2434932000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	2814313000	USD
CY2021Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	100417000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	216172000	USD
CY2021Q4	us-gaap	Deposits Deposits	17784894000	USD
CY2020Q4	us-gaap	Deposits Deposits	15317383000	USD
CY2021Q4	us-gaap	Weighted Average Rate Domestic Deposit WeightedAverageRateDomesticDeposit	0.0031	pure
CY2020Q4	us-gaap	Weighted Average Rate Domestic Deposit WeightedAverageRateDomesticDeposit	0.0055	pure
CY2021Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	1600000	USD
CY2020Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	800000	USD
CY2021Q4	fbp	Overdrafts Prearranged Lines Of Credit OverdraftsPrearrangedLinesOfCredit	24200000	USD
CY2020Q4	fbp	Overdrafts Prearranged Lines Of Credit OverdraftsPrearrangedLinesOfCredit	26000000.0	USD
CY2021Q4	fbp	Time Deposit Maturities Next Three Months TimeDepositMaturitiesNextThreeMonths	635461000	USD
CY2021Q4	fbp	Time Deposit Maturities Over Three Months To Six Months TimeDepositMaturitiesOverThreeMonthsToSixMonths	444276000	USD
CY2021Q4	fbp	Time Deposit Maturities Over Six Months To One Year TimeDepositMaturitiesOverSixMonthsToOneYear	669486000	USD
CY2021Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	427993000	USD
CY2021Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	201934000	USD
CY2021Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	63193000	USD
CY2021Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	78653000	USD
CY2021Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	14353000	USD
CY2021Q4	us-gaap	Time Deposits TimeDeposits	2535349000	USD
CY2021Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	1000000000.0	USD
CY2020Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	1000000000.0	USD
CY2021Q4	fbp	Unamortized Broker Placement Fees UnamortizedBrokerPlacementFees	200000	USD
CY2020Q4	fbp	Unamortized Broker Placement Fees UnamortizedBrokerPlacementFees	400000	USD
CY2021Q4	fbp	Brokeredcertificatesofdepositmatureinonetoninetydays Brokeredcertificatesofdepositmatureinonetoninetydays	14668000	USD
CY2021Q4	fbp	Brokeredcertificatesofdepositmatureinoverthreemonthstosixmonths Brokeredcertificatesofdepositmatureinoverthreemonthstosixmonths	11687000	USD
CY2021Q4	fbp	Brokeredcertificatesofdepositmatureinoversixmonthstooneyear Brokeredcertificatesofdepositmatureinoversixmonthstooneyear	37228000	USD
CY2021Q4	fbp	Brokeredcertificatesofdepositmatureinonetothreeyears Brokeredcertificatesofdepositmatureinonetothreeyears	30137000	USD
CY2021Q4	fbp	Brokeredcertificatesofdepositmatureinthreetofiveyears Brokeredcertificatesofdepositmatureinthreetofiveyears	6697000	USD
CY2021Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	100417000	USD
CY2021Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	3400000000	USD
CY2020Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	2000000000.0	USD
CY2021Q4	fbp	Deposit Liabilities Collateral Issued Financial Instruments Market Value DepositLiabilitiesCollateralIssuedFinancialInstrumentsMarketValue	3300000000	USD
CY2021	us-gaap	Interest Expense Domestic Deposit Liabilities Checking InterestExpenseDomesticDepositLiabilitiesChecking	5776000	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
CY2021	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	6586000	USD
CY2020	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	11116000	USD
CY2019	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	16017000	USD
CY2021	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	26138000	USD
CY2020	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	43350000	USD
CY2019	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	44658000	USD
CY2021	us-gaap	Interest Expense Domestic Deposit Liabilities Brokered InterestExpenseDomesticDepositLiabilitiesBrokered	2982000	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
CY2021	us-gaap	Interest Expense Deposits InterestExpenseDeposits	41482000	USD
CY2020	us-gaap	Interest Expense Deposits InterestExpenseDeposits	68388000	USD
CY2019	us-gaap	Interest Expense Deposits InterestExpenseDeposits	77782000	USD
CY2021	fbp	Amortization Of Broker Placement Fees AmortizationOfBrokerPlacementFees	200000	USD
CY2020	fbp	Amortization Of Broker Placement Fees AmortizationOfBrokerPlacementFees	500000	USD
CY2019	fbp	Amortization Of Broker Placement Fees AmortizationOfBrokerPlacementFees	700000	USD
CY2021	fbp	Accretion Of Premium From Acquisition AccretionOfPremiumFromAcquisition	1300000	USD
CY2020	fbp	Accretion Of Premium From Acquisition AccretionOfPremiumFromAcquisition	1000000.0	USD
CY2021Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	300000000	USD
CY2021Q4	fbp	Financial Instruments Ownedand Pledged As Collateral Amount Eligible To Be Repledged By Counterparty Amortized Cost FinancialInstrumentsOwnedandPledgedAsCollateralAmountEligibleToBeRepledgedByCounterpartyAmortizedCost	319225000	USD
CY2021Q4	us-gaap	Secured Debt Repurchase Agreements SecuredDebtRepurchaseAgreements	300000000	USD
CY2021Q4	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountEligibleToBeRepledgedByCounterparty	321180000	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
CY2021Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	300000000	USD
CY2021Q4	fbp	Federalhomeloanbankadvancesmaturitiesduesixmonthstooneyear Federalhomeloanbankadvancesmaturitiesduesixmonthstooneyear	200000000	USD
CY2021	fbp	Qualifying Mortgage Collateral With Market Value Higher Than Outstanding Advances QualifyingMortgageCollateralWithMarketValueHigherThanOutstandingAdvances	1.20	pure
CY2021Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds	1200000	USD
CY2020	fbp	Excess Of Redemption Value Over Carrying Value ExcessOfRedemptionValueOverCarryingValue	0	USD
CY2019	fbp	Excess Of Redemption Value Over Carrying Value ExcessOfRedemptionValueOverCarryingValue	0	USD
CY2021Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	183762000	USD
CY2020Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	183762000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	281025000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	102273000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	167377000	USD
CY2021	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	2453000	USD
CY2020	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	2676000	USD
CY2019	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	2676000	USD
CY2021	fbp	Excess Of Redemption Value Over Carrying Value ExcessOfRedemptionValueOverCarryingValue	1234000	USD
CY2021	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	414394	shares
CY2020	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	878813	shares
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	277338000	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
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	210122	shares
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
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1178	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
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	211300	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
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.32
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.76
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.31
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.46
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.76
CY2021Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	300000000	USD
CY2021	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	16740467	shares
CY2021	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	213900000	USD
CY2020Q4	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	36100000	USD
CY2021Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	50000000	USD
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	218235064	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	217359337	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	217235140	shares
CY2021	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	16740467	shares
CY2020	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	0	shares
CY2019	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	0	shares
CY2021Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	6659000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	6652000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	6608000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	6179000	USD
CY2021	us-gaap	Stock Issued During Period Shares Share Based Compensation Forfeited StockIssuedDuringPeriodSharesShareBasedCompensationForfeited	82486	shares
CY2020	us-gaap	Stock Issued During Period Shares Share Based Compensation Forfeited StockIssuedDuringPeriodSharesShareBasedCompensationForfeited	3086	shares
CY2019	us-gaap	Stock Issued During Period Shares Share Based Compensation Forfeited StockIssuedDuringPeriodSharesShareBasedCompensationForfeited	14000	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	201826505	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	218235064	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	217359337	shares
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2021	fbp	Number Of Redeemed Preferred Stock NumberOfRedeemedPreferredStock	1444146	shares
CY2021Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	25
CY2021Q4	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	36100000	USD
CY2021	fbp	Reduction In Retained Earnings From Preferred Stock Liquidation ReductionInRetainedEarningsFromPreferredStockLiquidation	1200000	USD
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2021	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	214374	shares
CY2020	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	51814	shares
CY2019	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	176015	shares
CY2021	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	16740467	shares
CY2021Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	300000000	USD
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	21836611	shares
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	4799284	shares
CY2021	fbp	Legal Surplus Reserve Rate LegalSurplusReserveRate	0.10	pure
CY2021	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.
CY2021	fbp	Legal Surplus Amount Additions LegalSurplusAmountAdditions	28300000	USD
CY2020	fbp	Legal Surplus Amount Additions LegalSurplusAmountAdditions	11700000	USD
CY2021Q4	us-gaap	Statutory Accounting Practices Statutory Amount Available For Dividend Payments With Regulatory Approval StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithRegulatoryApproval	137600000	USD
CY2020Q4	us-gaap	Statutory Accounting Practices Statutory Amount Available For Dividend Payments With Regulatory Approval StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithRegulatoryApproval	109300000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	98062000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	108498000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	5425000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-2535000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	6122000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	103500000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	106000000.0	USD
CY2020Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	70424000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	195000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	28056000	USD
CY2021Q4	fbp	Defined Benefit Plan Expected Future Benefit Payments DefinedBenefitPlanExpectedFutureBenefitPayments	60276000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	70424000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	0	USD
CY2021Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	5862000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	-432000	USD
CY2021Q4	fbp	Defined Benefit Plan Accumulated Other Comprehensive Income Amortization Of Net Loss Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeAmortizationOfNetLossBeforeTax	2000	USD
CY2020Q4	fbp	Defined Benefit Plan Accumulated Other Comprehensive Income Amortization Of Net Loss Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeAmortizationOfNetLossBeforeTax	0	USD
CY2021	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	5860000	USD
CY2020	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	-432000	USD
CY2021	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0277	pure
	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0236	pure
CY2021	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	2045000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	1160000	USD
CY2021	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	5860000	USD
	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	-432000	USD
CY2021	us-gaap	Amount Recognized In Net Periodic Benefit Cost And Other Comprehensive Income Loss Before Tax AmountRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLossBeforeTax	7905000	USD
	us-gaap	Amount Recognized In Net Periodic Benefit Cost And Other Comprehensive Income Loss Before Tax AmountRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLossBeforeTax	728000	USD
CY2021	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0443	pure
CY2021Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	5428000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	-432000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	195000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	64200000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1	pure
CY2020Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1	pure
CY2021	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.50	pure
CY2021	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	0.06	pure
CY2021	us-gaap	Other Noninterest Expense OtherNoninterestExpense	35423000	USD
CY2020	us-gaap	Other Noninterest Expense OtherNoninterestExpense	25818000	USD
CY2019	us-gaap	Other Noninterest Expense OtherNoninterestExpense	20233000	USD
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-1044000	USD
CY2021	fbp	Effective Income Tax Rate Reconciliations Nol Carryforwards EffectiveIncomeTaxRateReconciliationsNOLCarryforwards	0.020	pure
CY2020	fbp	Income Tax Rate Reconciliation Nol Carryforwards IncomeTaxRateReconciliationNOLCarryforwards	9054000	USD
CY2019	us-gaap	Other General Expense OtherGeneralExpense	4640000	USD
CY2021	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.
CY2021	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	0	USD
CY2021	us-gaap	Defined Contribution Plan Administrative Expenses DefinedContributionPlanAdministrativeExpenses	3500000	USD
CY2020	us-gaap	Defined Contribution Plan Administrative Expenses DefinedContributionPlanAdministrativeExpenses	3000000.0	USD
CY2019	us-gaap	Defined Contribution Plan Administrative Expenses DefinedContributionPlanAdministrativeExpenses	2900000	USD
CY2021	fbp	Supplies And Printing Expenses SuppliesAndPrintingExpenses	1830000	USD
CY2020	fbp	Supplies And Printing Expenses SuppliesAndPrintingExpenses	2391000	USD
CY2019	fbp	Supplies And Printing Expenses SuppliesAndPrintingExpenses	1966000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	11407000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5912000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3086000	USD
CY2021	fbp	Servicing And Processing Fees ServicingAndProcessingFees	5121000	USD
CY2020	fbp	Servicing And Processing Fees ServicingAndProcessingFees	4696000	USD
CY2019	fbp	Servicing And Processing Fees ServicingAndProcessingFees	4781000	USD
CY2021	fbp	Insurance And Supervisory Fees InsuranceAndSupervisoryFees	9098000	USD
CY2020	fbp	Insurance And Supervisory Fees InsuranceAndSupervisoryFees	6324000	USD
CY2019	fbp	Insurance And Supervisory Fees InsuranceAndSupervisoryFees	3596000	USD
CY2021	us-gaap	Provision For Other Losses ProvisionForOtherLosses	5069000	USD
CY2020	us-gaap	Provision For Other Losses ProvisionForOtherLosses	3390000	USD
CY2019	us-gaap	Provision For Other Losses ProvisionForOtherLosses	2164000	USD
CY2021	us-gaap	Other General Expense OtherGeneralExpense	2898000	USD
CY2020	us-gaap	Other General Expense OtherGeneralExpense	3105000	USD
CY2020	fbp	Effective Income Tax Rate Reconciliations Nol Carryforwards EffectiveIncomeTaxRateReconciliationsNOLCarryforwards	0.078	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
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-13572000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.032	pure
CY2021	fbp	Non Deferrable Loan Fees NonDeferrableLoanFees	2990000	USD
CY2020	fbp	Non Deferrable Loan Fees NonDeferrableLoanFees	3750000	USD
CY2019	fbp	Non Deferrable Loan Fees NonDeferrableLoanFees	2789000	USD
CY2021	fbp	Automated Teller Machine And Point Of Sale Fees AutomatedTellerMachineAndPointOfSaleFees	10985000	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
CY2021	fbp	Other Fees And Commissions Credit Cards OtherFeesAndCommissionsCreditCards	17079000	USD
CY2020	fbp	Other Fees And Commissions Credit Cards OtherFeesAndCommissionsCreditCards	12042000	USD
CY2019	fbp	Other Fees And Commissions Credit Cards OtherFeesAndCommissionsCreditCards	11759000	USD
CY2021	fbp	Mail And Cable Transmision Commissions Revenue MailAndCableTransmisionCommissionsRevenue	3116000	USD
CY2020	fbp	Mail And Cable Transmision Commissions Revenue MailAndCableTransmisionCommissionsRevenue	2540000	USD
CY2019	fbp	Mail And Cable Transmision Commissions Revenue MailAndCableTransmisionCommissionsRevenue	2207000	USD
CY2021	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	7000	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
CY2021	fbp	Gain From Insurance Proceeds GainFromInsuranceProceeds	550000	USD
CY2020	fbp	Gain From Insurance Proceeds GainFromInsuranceProceeds	5000000	USD
CY2019	fbp	Gain From Insurance Proceeds GainFromInsuranceProceeds	660000	USD
CY2021	us-gaap	Noninterest Income Other NoninterestIncomeOther	5746000	USD
CY2020	us-gaap	Noninterest Income Other NoninterestIncomeOther	4935000	USD
CY2019	us-gaap	Noninterest Income Other NoninterestIncomeOther	5396000	USD
CY2021	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	48937000	USD
CY2020	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	41834000	USD
CY2019	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	39909000	USD
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
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	28469000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	18421000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	16986000	USD
CY2021	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	0	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
CY2021	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	118323000	USD
CY2020	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	3629000	USD
CY2019	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	55009000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	146792000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14050000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	71995000	USD
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	160431000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.375	pure
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
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	7014000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.016	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	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
CY2021	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	-20717000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	-0.048	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
CY2021	fbp	Income Tax Rate Reconciliation Nol Carryforwards IncomeTaxRateReconciliationNOLCarryforwards	8791000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.002	pure
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	157000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	14181000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	0	USD
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	4420000	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
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Unearned Premiums Reserve DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve	941000	USD
CY2021Q4	fbp	Deferred Tax Asset Difference In Purchase Price DeferredTaxAssetDifferenceInPurchasePrice	8926000	USD
CY2020Q4	fbp	Deferred Tax Asset Difference In Purchase Price DeferredTaxAssetDifferenceInPurchasePrice	11956000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.005	pure
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	-1185000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	-0.003	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
CY2021	fbp	Income Tax Rate Reconciliation Prior Periods Income Tax Returns IncomeTaxRateReconciliationPriorPeriodsIncomeTaxReturns	-406000	USD
CY2021	fbp	Effective Income Tax Rate Reconciliations Prior Periods Income Tax Returns EffectiveIncomeTaxRateReconciliationsPriorPeriodsIncomeTaxReturns	-0.001	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
CY2021	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	7480000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.017	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
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	146792000	USD
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.342	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
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	137860000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	220496000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	105917000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	37361000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	27396000	USD
CY2021Q4	fbp	Deferred Tax Assets Unrealized Net Loss On Reo Valuation DeferredTaxAssetsUnrealizedNetLossOnReoValuation	7703000	USD
CY2020Q4	fbp	Deferred Tax Assets Unrealized Net Loss On Reo Valuation DeferredTaxAssetsUnrealizedNetLossOnReoValuation	13426000	USD
CY2021Q4	fbp	Deferred Tax Assets Settlement Payment Closing Agreement DeferredTaxAssetsSettlementPaymentClosingAgreement	7031000	USD
CY2020Q4	fbp	Deferred Tax Assets Settlement Payment Closing Agreement DeferredTaxAssetsSettlementPaymentClosingAgreement	7031000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Legal Settlements DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements	4576000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Legal Settlements DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements	4120000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Unearned Premiums Reserve DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve	881000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	8647000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	328856000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	445599000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	10510000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	9571000	USD
CY2021Q4	fbp	Deferred Tax Liabilities Pension DeferredTaxLiabilitiesPension	2035000	USD
CY2020Q4	fbp	Deferred Tax Liabilities Pension DeferredTaxLiabilitiesPension	0	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	0	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	4730000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	506000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	53000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	13051000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	14354000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	107323000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	101984000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	208482000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	329261000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration	66300000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Not Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration	210700000	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	0	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	0	USD
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	18200000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	13800000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	10700000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	90319000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	103186000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	93772000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	106502000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y6M
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0224	pure
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.000225	pure
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	19328000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	13464000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	4553000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1328000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	18159000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	16369000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	15299000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	14296000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	13064000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	26971000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	104158000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	10386000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	93772000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	385887000	USD
CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	729929000	USD
CY2021	us-gaap	Noninterest Income NoninterestIncome	121164000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	851093000	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
CY2021	fbp	Required Visa Debit Portfolio Ratio RequiredVisaDebitPortfolioRatio	0.50	pure
CY2021	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-700000	USD
CY2020	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-300000	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-300000	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
CY2021	fbp	Additions To Contract Liability AdditionsToContractLiability	0	USD
CY2020	fbp	Additions To Contract Liability AdditionsToContractLiability	0	USD
CY2019	fbp	Additions To Contract Liability AdditionsToContractLiability	730000	USD
CY2021	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	708000	USD
CY2020	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	325000	USD
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	325000	USD
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	1443000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	2151000	USD
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	2476000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	68668000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	94872000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	107010000	USD
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	15477000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	16713000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	13495000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	19328000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	13464000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	10219000	USD
CY2021	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	19348000	USD
CY2020	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	7249000	USD
CY2019	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	40398000	USD
CY2021	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	33408000	USD
CY2020	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	36203000	USD
CY2019	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	47643000	USD
CY2021	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	5194000	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
CY2021	fbp	Noncash Loan Securitizations NoncashLoanSecuritizations	191434000	USD
CY2020	fbp	Noncash Loan Securitizations NoncashLoanSecuritizations	221491000	USD
CY2019	fbp	Noncash Loan Securitizations NoncashLoanSecuritizations	235258000	USD
CY2021	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	33010000	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
CY2020	fbp	Payable On Unsettled Securities Purchases PayableOnUnsettledSecuritiesPurchases	24033000	USD
CY2019	fbp	Payable On Unsettled Securities Purchases PayableOnUnsettledSecuritiesPurchases	0	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	4553000	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
CY2021	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	584000	USD
CY2020	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	1280424000	USD
CY2019	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	0	USD
CY2021Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets	605000	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
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
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
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	0	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	89000	USD
CY2021Q4	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	1500000	USD
CY2020Q4	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	2500000	USD
CY2021	us-gaap	Fair Value Option Credit Risk Gains Losses On Assets FairValueOptionCreditRiskGainsLossesOnAssets	0	USD
CY2020	us-gaap	Fair Value Option Credit Risk Gains Losses On Assets FairValueOptionCreditRiskGainsLossesOnAssets	0	USD
CY2019	us-gaap	Fair Value Option Credit Risk Gains Losses On Assets FairValueOptionCreditRiskGainsLossesOnAssets	0	USD
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	8000	USD
CY2021Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	USD
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	8000	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
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	1170000	USD
CY2021Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	0	USD
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	1170000	USD
CY2021Q4	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	1170000	USD
CY2021Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	0	USD
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	0	USD
CY2021Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	300000000	USD
CY2021Q4	us-gaap	Securities Borrowed Amount Offset Against Collateral SecuritiesBorrowedAmountOffsetAgainstCollateral	0	USD
CY2021Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	300000000	USD
CY2021Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	300000000	USD
CY2021Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Cash SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash	0	USD
CY2021Q4	us-gaap	Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral	0	USD
CY2021Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Gross DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross	301170000	USD
CY2021Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Asset DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset	0	USD
CY2021Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned	301170000	USD
CY2021Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Securities DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities	301170000	USD
CY2021Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Cash DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash	0	USD
CY2021Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Amount Offset Against Collateral DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral	0	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
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	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Gross DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross	301919000000	USD
CY2020Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Asset DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset	0	USD
CY2020Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned	301919000000	USD
CY2020Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Securities DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities	301919000000	USD
CY2020Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Cash DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash	0	USD
CY2020Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Amount Offset Against Collateral DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral	0	USD
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	6
CY2019	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	675897000	USD
CY2019	us-gaap	Interest Expense InterestExpense	108816000	USD
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	567081000	USD
CY2019	us-gaap	Noninterest Income NoninterestIncome	90572000	USD
CY2021	us-gaap	Revenues Revenues	915872000	USD
CY2020	us-gaap	Revenues Revenues	804208000	USD
CY2019	us-gaap	Revenues Revenues	766469000	USD

Files In Submission

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$FBP
First BanCorp Stock $fbp

2021 Q4 Form 10-K Financial Statement

#000105770622000005 Filed on March 01, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

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$FBP First BanCorp Stock $fbp

2021 Q4 Form 10-K Financial Statement

#000105770622000005 Filed on March 01, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FBP
First BanCorp Stock $fbp