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+ References

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-5

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LOANS HELD FOR INVESTMENT - Loan Portfolio Held for Investment (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Loans held for investment	$ 12,311,448	$ 12,185,483
ACL for loans and finance leases	(263,592)	(261,843)	$ (265,567)	$ (260,464)
Loans held for investment, net	12,047,856	11,923,640
Puerto Rico and Virgin Islands regions [Member]
Loans held for investment	10,208,330	10,163,222
Florida region [Member}
Loans held for investment	2,103,118	2,022,261
Residential Portfolio Segment [Member]
Loans held for investment	2,801,587	2,821,726
ACL for loans and finance leases	(56,689)	(57,397)	(64,403)	(62,760)
Residential Portfolio Segment [Member] \| Puerto Rico and Virgin Islands regions [Member]
Loans held for investment	2,327,240	2,356,006
Residential Portfolio Segment [Member] \| Florida region [Member}
Loans held for investment	474,347	465,720
Commercial Portfolio Segment [Member] \| Commercial and Industrial loans [Member]
Loans held for investment	3,230,995	3,174,232
ACL for loans and finance leases	(34,490)	(33,190)	(31,235)	(32,906)
Commercial Portfolio Segment [Member] \| Commercial and Industrial loans [Member] \| Puerto Rico and Virgin Islands regions [Member]
Loans held for investment	2,289,999	2,249,408
Commercial Portfolio Segment [Member] \| Commercial and Industrial loans [Member] \| Florida region [Member}
Loans held for investment	940,996	924,824
Commercial Portfolio Segment [Member] \| Mortgage Receivable [Member]
Loans held for investment	2,361,731	2,317,083
ACL for loans and finance leases	(32,661)	(32,631)	(36,460)	(35,064)
Commercial Portfolio Segment [Member] \| Mortgage Receivable [Member] \| Puerto Rico and Virgin Islands regions [Member]
Loans held for investment	1,769,247	1,790,637
Commercial Portfolio Segment [Member] \| Mortgage Receivable [Member] \| Florida region [Member}
Loans held for investment	592,484	526,446
Commercial Portfolio Segment [Member] \| Construction loans [Member]
Loans held for investment	237,288	214,777
ACL for loans and finance leases	(6,186)	(5,605)	(3,231)	(2,308)
Commercial Portfolio Segment [Member] \| Construction loans [Member] \| Puerto Rico and Virgin Islands regions [Member]
Loans held for investment	147,624	115,401
Commercial Portfolio Segment [Member] \| Construction loans [Member] \| Florida region [Member}
Loans held for investment	89,664	99,376
Consumer Portfolio Segment [Member]
Loans held for investment	3,679,847	3,657,665
ACL for loans and finance leases	(133,566)	(133,020)	$ (130,238)	$ (127,426)
Consumer Portfolio Segment [Member] \| Puerto Rico and Virgin Islands regions [Member]
Loans held for investment	3,674,220	3,651,770
Consumer Portfolio Segment [Member] \| Florida region [Member}
Loans held for investment	$ 5,627	$ 5,895