XML 130 R119.htm IDEA: XBRL DOCUMENT v3.25.2

SEGMENT INFORMATION - Reconciliation of the Reportable Segment Financial Information (Details) - Segment Reconciling Items [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Average assets:
Total average earning assets for segments	$ 18,274,980	$ 18,029,894	$ 18,293,054	$ 18,026,527
Average non earning assets	766,226	854,537	780,918	844,838
Total consolidated average assets	$ 19,041,206	$ 18,884,431	$ 19,073,972	$ 18,871,365

X

- References

No definition available.

+ Details

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

X

- Definition

Average amount outstanding of interest-earning and noninterest-earning assets.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Regulation S-K (SK)
-Number 229
-Section 1402
-Paragraph a
-Publisher SEC

+ Details

Name:	us-gaap_AssetsAverageOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Average amount outstanding of interest-earning assets.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Regulation S-K (SK)
-Number 229
-Section 1402
-Paragraph b
-Subparagraph (1)
-Publisher SEC

+ Details

Name:	us-gaap_InterestEarningAssetsAverageAmountOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Average amount outstanding of noninterest-earning assets.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Regulation S-K (SK)
-Number 229
-Section 1402
-Paragraph a
-Publisher SEC

+ Details

Name:	us-gaap_NoninterestEarningAssetsAverageAmountOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	srt_ConsolidationItemsAxis=us-gaap_MaterialReconcilingItemsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: