XML 120 R105.htm IDEA: XBRL DOCUMENT v3.10.0.1

Commitments, Contingencies, and Concentrations of Credit Risk (Schedule of Maximum Credit Risk for Securities) (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Fannie Mae - mortgage-backed securities [Member]
Amortized cost, Available for sale and held to maturity	$ 191,839
Fair value, Available for sale and held to maturity	186,735
Ginnie Mae - mortgage-backed securities [Member]
Amortized cost, Available for sale and held to maturity	127,358
Fair value, Available for sale and held to maturity	123,593
Federal Home Loan Bank System - bonds [Member]
Amortized cost, Available for sale and held to maturity	70,495
Fair value, Available for sale and held to maturity	70,421
Small Business Administration securities [Member]
Amortized cost, Available for sale and held to maturity	26,878
Fair value, Available for sale and held to maturity	25,977
Federal Home Loan Bank of Atlanta - common stock [Member]
Amortized cost, Available for sale and held to maturity	20,036
Fair value, Available for sale and held to maturity	20,036
Federal Reserve Bank - Common [Stock Member]
Amortized cost, Available for sale and held to maturity	17,432
Fair value, Available for sale and held to maturity	17,432
Freddie Mac - mortgage-backed securities [Member]
Amortized cost, Available for sale and held to maturity	98,608
Fair value, Available for sale and held to maturity	95,285
Bank Of America Corporate Bond [Member]
Amortized cost, Available for sale and held to maturity	7,000
Fair value, Available for sale and held to maturity	6,879
Citigroup, Inc. corporate bond [Member]
Amortized cost, Available for sale and held to maturity	6,028
Fair value, Available for sale and held to maturity	5,921
Goldman Sachs Group Inc. corporate bond [Member]
Amortized cost, Available for sale and held to maturity	5,073
Fair value, Available for sale and held to maturity	4,937
JP Morgan Chase corporate bond [Member]
Amortized cost, Available for sale and held to maturity	5,018
Fair value, Available for sale and held to maturity	4,904
Fannie Mae - bond [Member]
Amortized cost, Available for sale and held to maturity	5,000
Fair value, Available for sale and held to maturity	4,871
Federal Farm Credit Bank - bond [Member]
Amortized cost, Available for sale and held to maturity	5,000
Fair value, Available for sale and held to maturity	$ 4,921

X

- Definition

This item represents the cost of debt and equity securities, available for sale and held to maturity, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

No definition available.

+ Details

Name:	fbp_AmortizedCostAvailableForSaleAndHeldToMaturity
Namespace Prefix:	fbp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of investment in debt and equity securities categorized a available for sale and held to maturity.

+ References

No definition available.

+ Details

Name:	fbp_FairValueAvailableForSaleAndHeldToMaturity
Namespace Prefix:	fbp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=fbp_FannieMaeMortgageBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=fbp_FederalHomeLoanBankSystemBondsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=fbp_SmallBusinessAdministrationSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=fbp_FederalHomeLoanBankSystemCommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=fbp_FederalReserveBankCommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=fbp_FreddieMacMortgageBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=fbp_BankOfAmericaCorporateBondMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=fbp_CitigroupIncCorporateBondMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=fbp_GoldmanSachsGroupIncCorporateBondMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=fbp_JpMorganChaseCorporateBondMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=fbp_FannieMaeBondMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=fbp_FederalFarmCreditBankBondMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: