XML 126 R110.htm IDEA: XBRL DOCUMENT v3.8.0.1

LOAN PORTFOLIO - Activity for Specific Reserve (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Specific Reserve:
Related Allowance Beginning Balance	$ 64,421	$ 52,581	$ 55,205
Provision for loan losses	68,375	78,695		$ 91,515
Net Charge-offs	(81,386)	(66,855)	(94,139)
Related Allowance Ending Balance	$ 51,410	$ 64,421	$ 52,581

X

- Definition

Amount after recoveries, of direct write-downs of financing receivables charged against the allowance related to impaired loans.

+ References

No definition available.

+ Details

Name:	fbp_FinancingReceivableAllowanceForCreditLossesNetWriteOffsImpairedLoans
Namespace Prefix:	fbp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Provision charged for the period based on estimated losses to be realized from impaired loan transactions.

+ References

No definition available.

+ Details

Name:	fbp_ProvsionForLoanLossesExpensedImpairedLoans
Namespace Prefix:	fbp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Schedule of activity for specific reserve.

+ References

No definition available.

+ Details

Name:	fbp_ScheduleOfActivityForSpecificReserveAbstract
Namespace Prefix:	fbp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of allowance for credit losses related to recorded investment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

+ Details

Name:	us-gaap_ImpairedFinancingReceivableRelatedAllowance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant