XML 122 R107.htm IDEA: XBRL DOCUMENT v3.10.0.1

Fair Value of Financial Instruments (Financial instruments Measured at Fair Value) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Securities available for sale:
Securities available for sale	$ 501,351	$ 343,270
Recurring [Member] | Quoted Prices in Market for Identical Assets (Level 1) [Member]
Securities available for sale:
Government-sponsored enterprise securities
Mortgage-backed securities
Corporate bonds
Securities available for sale
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Securities available for sale:
Government-sponsored enterprise securities	82,662	13,867
Mortgage-backed securities	385,551	295,213
Corporate bonds	33,138	34,190
Equity securities
Securities available for sale	501,351	343,270
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Securities available for sale:
Government-sponsored enterprise securities
Mortgage-backed securities
Corporate bonds
Securities available for sale
Recurring [Member] | Fair Value [Member]
Securities available for sale:
Government-sponsored enterprise securities	82,662	13,867
Mortgage-backed securities	385,551	295,213
Corporate bonds	33,138	34,190
Equity securities
Securities available for sale	501,351	343,270
Nonrecurring [Member] | Quoted Prices in Market for Identical Assets (Level 1) [Member]
Securities available for sale:
Impaired loans
Foreclosed real estate
Nonrecurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Securities available for sale:
Impaired loans
Foreclosed real estate
Nonrecurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Securities available for sale:
Impaired loans	13,071	14,086
Foreclosed real estate	7,440	12,571
Nonrecurring [Member] | Fair Value [Member]
Securities available for sale:
Impaired loans	13,071	14,086
Foreclosed real estate	$ 7,440	$ 12,571

X

- Definition

Fair value of corporate bonds.

+ References

No definition available.

+ Details

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

X

- Definition

Fair value of equity securities.

+ References

No definition available.

+ Details

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

X

- Definition

Fair value of government sponsored enterprise securities.

+ References

No definition available.

+ Details

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

X

- Definition

Fair value of impaired loans covered by loss sharing arrangements.

+ References

No definition available.

+ Details

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

X

- Definition

fair value of other real estate covered by loss sharing agreements.

+ References

No definition available.

+ Details

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

X

- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

No definition available.

+ Details

Name:	us-gaap_AvailableForSaleSecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value of securitized, pay-through debt securities collateralized by real estate mortgage loans classified as available-for-sale.

+ References

No definition available.

+ Details

Name:	us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_EstimateOfFairValueFairValueDisclosureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: