Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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+ References

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ 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	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment	$ 12,385,508		$ 12,185,483
ACL for loans and finance leases	(254,532)	$ (263,592)	(261,843)	$ (267,058)	$ (265,567)	$ (260,464)
Loans held for investment, net	12,130,976		11,923,640
Puerto Rico and Virgin Islands regions [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment	10,264,710		10,163,222
Florida region [Member}
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment	2,120,798		2,022,261
Residential Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment	2,809,666		2,821,726
ACL for loans and finance leases	(46,051)	(56,689)	(57,397)	(60,514)	(64,403)	(62,760)
Residential Portfolio Segment [Member] \| Puerto Rico and Virgin Islands regions [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment	2,324,302		2,356,006
Residential Portfolio Segment [Member] \| Florida region [Member}
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment	485,364		465,720
Commercial Portfolio Segment [Member] \| Construction loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment	185,957		214,777
ACL for loans and finance leases	(5,646)	(6,186)	(5,605)	(4,804)	(3,231)	(2,308)
Commercial Portfolio Segment [Member] \| Construction loans [Member] \| Puerto Rico and Virgin Islands regions [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment	163,774		115,401
Commercial Portfolio Segment [Member] \| Construction loans [Member] \| Florida region [Member}
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment	22,183		99,376
Commercial Portfolio Segment [Member] \| Mortgage loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment	2,423,309		2,317,083
ACL for loans and finance leases	(30,078)	(32,661)	(32,631)	(42,427)	(36,460)	(35,064)
Commercial Portfolio Segment [Member] \| Mortgage loans [Member] \| Puerto Rico and Virgin Islands regions [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment	1,760,760		1,790,637
Commercial Portfolio Segment [Member] \| Mortgage loans [Member] \| Florida region [Member}
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment	662,549		526,446
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member}
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment	3,254,577		3,174,232
ACL for loans and finance leases	(34,448)	(34,490)	(33,190)	(28,014)	(31,235)	(32,906)
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member} \| Puerto Rico and Virgin Islands regions [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment	2,311,945		2,249,408
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member} \| Florida region [Member}
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment	942,632		924,824
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment	3,711,999		3,657,665
ACL for loans and finance leases	(138,309)	$ (133,566)	(133,020)	$ (131,299)	$ (130,238)	$ (127,426)
Consumer Portfolio Segment [Member] \| Puerto Rico and Virgin Islands regions [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment	3,703,929		3,651,770
Consumer Portfolio Segment [Member] \| Florida region [Member}
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for investment	$ 8,070		$ 5,895