XML 110 R100.htm IDEA: XBRL DOCUMENT
v3.23.2

ADVANCES FROM THE FEDERAL HOME LOAN BANK (FHLB) - Advances from FHLB Mature (Detail) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
ADVANCES FROM THE FEDERAL HOME LOAN BANK (FHLB) [Abstract] |  |
Over one to five years | $ 500,000 |
Total | $ 500,000 | $ 675,000

X
- Definition Federal Home Loan Bank Advances Maturities Due One To Five Years + References No definition available. + Details
Name: | fbp_FederalHomeLoanBankAdvancesMaturitiesDueOneToFiveYears
Namespace Prefix: | fbp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Par amount of advances made and reported by Federal Home Loan Bank (FHLBank) with fixed interest rate. + References No definition available. + Details
Name: | us-gaap_FederalHomeLoanBankAdvancesFixedRate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_FederalHomeLoanBankAdvancesFixedRateAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration