Amount of increase (decrease) in allowance for loan and lease losses write-offs, net.

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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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.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease.

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Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

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Amount, excluding accrued interest, of decrease (increase) in allowance for credit loss on financing receivable from writeoff (recovery). Excludes net investment in lease.

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Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

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Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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The net cash outflow or inflow for other changes, net, in the loan and lease balances held for investment purposes that are not separately disclosed. Includes cash payments and proceeds associated with (a) loans held-for-investment, (b) leases held-for-investment, and (c) both.

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ALLOWANCE FOR CREDIT LOSSES FOR LOANS AND FINANCE LEASES - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Jun. 30, 2025	Dec. 31, 2024	Jun. 30, 2024	Dec. 31, 2023
Financing Receivable Allowance For Credit Losses [Line Items]
Increase (decrease) in ACL			$ 3,100
Provision for credit losses - expense (benefit)	$ 18,270	$ 16,470	63,488	$ 41,317
Net charge-offs	19,900	24,000	60,400	56,200
Increase (decrease) in net charge-offs	(4,100)
Recoveries	5,327	5,039	17,484	28,634
Off-Balance Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal)	(756)	(1,041)	(532)	(1,177)
Off-Balance Sheet, Credit Loss, Liability	2,611	3,461	2,611	3,461	$ 3,367	$ 3,143	$ 4,502	$ 4,638
Charge-offs	25,185	29,045	77,924	84,798
Net disbursements on loans held for investment			398,533	365,298
Allowance for credit losses	246,990	246,996	246,990	246,996	248,578	243,942	254,532	261,843
Consumer Loans and Finance Leases [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Increase (decrease) in net charge-offs	(2,700)
US [Member] \| Construction Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Recoveries		300
Puerto Rico [Member] \| Commercial and Industrial Sector [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Net charge-offs		1,200
Residential Portfolio Segment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Increase (decrease) in ACL			(400)
Provision for credit losses - expense (benefit)	(2,208)	(5,476)	(411)	(16,533)
Recoveries	491	497	1,008	1,215
Charge-offs	459	421	979	1,428
Allowance for credit losses	40,272	40,651	40,272	40,651	42,448	40,654	46,051	57,397
Residential Portfolio Segment [Member] \| US [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Charge-offs			8
Commercial Portfolio Segment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Increase (decrease) in ACL			9,300
Commercial Portfolio Segment [Member] \| Construction Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Provision for credit losses - expense (benefit)	496	(1,659)	1,196	(1,642)
Recoveries	313	11	340	35
Charge-offs	0	0	0	0
Allowance for credit losses	5,360	3,998	5,360	3,998	4,551	3,824	5,646	5,605
Commercial Portfolio Segment [Member] \| Commercial and Industrial Sector [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Provision for credit losses - expense (benefit)	(1,397)	885	4,091	(2,871)
Recoveries	65	211	1,045	6,291
Charge-offs	173	1,437	316	2,317
Allowance for credit losses	37,854	35,099	37,854	35,099	39,359	33,034	35,440	33,996
Commercial Portfolio Segment [Member] \| US [Member] \| Construction Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Charge-offs			0
Commercial Portfolio Segment [Member] \| US [Member] \| Commercial and Industrial Sector [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Charge-offs			0
Consumer Portfolio Segment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Increase (decrease) in ACL			(5,800)
Provision for credit losses - expense (benefit)	18,876	28,634	55,901	71,263
Recoveries	4,341	4,279	14,883	20,619
Charge-offs	24,553	27,187	76,629	81,053
Allowance for credit losses	$ 138,138	$ 143,043	138,138	143,043	$ 139,474	$ 143,983	$ 137,317	$ 132,214
Consumer Portfolio Segment [Member] \| Automobile Loan [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Charge-offs			24,706
Consumer Portfolio Segment [Member] \| Bulk Sale Of Nonaccrual Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Increase (decrease) in net charge-offs				5,000
Charge-offs			2,400	$ 10,000
Consumer Portfolio Segment [Member] \| US [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Charge-offs			21
Consumer Portfolio Segment [Member] \| US [Member] \| Automobile Loan [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Charge-offs			$ 21