XML 91 R80.htm IDEA: XBRL DOCUMENT
v3.10.0.1

LOAN PORTFOLIO - Corporation's Aging of Loans Held for Investment Portfolio (Parenthetical) (Detail) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2018 USD ($) numberofpayments | Sep. 30, 2018 USD ($) | Dec. 31, 2017 USD ($)
Accounts Notes And Loans Receivable [Line Items] |  |  |
Loans considered to be defaulted if borrower has failed to make payment for a period or more than the period |  | 2 months 29 days | 2 months 29 days
Period during which credit card loans continue to accrue finance charges and fees |  | 5 months 27 days | 5 months 27 days
Defaulted loans collateralizing Ginnie Mae (GNMA) securities | $ 75.9 | $ 75.9 | $ 62.1
Minimum Number of Payments in Arrears to Consider Commercial Mortgage and Construction Loan as Past Due | numberofpayments | 2 |  |
Residential mortgage loans insured by FHA or guaranteed by the VA | $ 33.9 | $ 33.9 | $ 29.9
Period of residential mortgage loan that are no longer accruing interest | 1 year 3 months | 1 year 3 months | 1 year 3 months
Fha Va And Other Government Guaranteed Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
30-59 Days past due Mortgages | $ 7.0 | $ 7.0 | $ 6.0
Other Residential Mortgage Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
30-59 Days past due Mortgages | 108.1 | 108.1 | 224.0
Commercial Mortgage Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
30-59 Days past due Mortgages | 4.2 | 4.2 | 9.0
Land [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
30-59 Days past due Mortgages | $ 0.1 | $ 0.1 | $ 2.5

X
- Definition Delinquent rebooked delinquent GNMA loans eligible for repurchase. + References No definition available. + Details
Name: | fbp_DefaultedLoansCollateralizingSecurities
Namespace Prefix: | fbp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Reflects the carrying amount of FHA/VA loans deemed to be questionable as to collection of interest and on which no interest is continuing to be recognized. + References No definition available. + Details
Name: | fbp_FhaVaLoansNoLongerAccruingInterest
Namespace Prefix: | fbp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the amount of Mortgage related loans that are past due more than 29 days but less than 60. According to the Corporation's deinquency policy and consitent with the instructions for the prepartion of the Consolidated Financial Statements for Bank Holding Companies (FR Y-9C) required by the Federal Reserve, rediential mortgages, commercial mortgages and construction loans are considered past due when the borrower is in arreas two or more monthly payments. + References No definition available. + Details
Name: | fbp_FinancingReceivableRecordedInvestment30To59DaysPastDueMortgage
Namespace Prefix: | fbp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Days delinquent before charge-off of credit cards. + References No definition available. + Details
Name: | fbp_LoansConsideredToBeDefaultedIfBorrowerHasFailedToMakePaymentForPeriodOrMoreThanPeriod
Namespace Prefix: | fbp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum number of payments in arrears to consider commercial mortgage and construction loan as past due. + References No definition available. + Details
Name: | fbp_MinimumNumberOfPaymentsInArrearsToConsiderCommercialMortgageAndConstructionLoanAsPastDue
Namespace Prefix: | fbp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Past due days to stop accruing interest on credit cards. + References No definition available. + Details
Name: | fbp_PeriodDuringWhichCreditCardLoansContinueToAccrueFinanceChargesAndFees
Namespace Prefix: | fbp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period of residential mortgage loan that are no longer accruing interest. + References No definition available. + Details
Name: | fbp_PeriodOfResidentialMortgageLoanThatAreNoLongerAccruingInterest
Namespace Prefix: | fbp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=fbp_FhaVaAndOtherGovernmentGuaranteedLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=fbp_OtherResidentialMortgageLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=fbp_CommercialMortgageLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=fbp_LandConstructionFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |