SUPPLEMENTAL STATEMENTS OF CASH FLOWS INFORMATION - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Cash paid for:
Interest			$ 189,966	$ 206,895
Income tax			49,445	68,322
Operating cash flow from operating leases			13,297	12,994
Non-cash investing and financing activities:
Additions to OREO			3,583	7,635
Additions to auto and other repossessed assets			46,100	45,266
Capitalization of servicing assets	$ 625	$ 525	1,904	1,632
Loan securitizations			118,128	85,893
Loans held for investment transferred to held for sale			0	118
Loans held for sale transferred to held for investment			99	0
Payable related to unsettled purchase of investment securities			72,394	0
ROU assets obtained in exchange for operating lease liabilities, net of lease terminations			4,484	8,943
Redemption of investments in FBP Statutory Trusts			$ 1,850	$ 1,500

Cash paid.

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Loans converted into marketable securities.

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Payable On Unsettled Securities Purchases

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Value transferred from other asset to other repossessed assets in noncash transactions.

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Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

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Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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Amount of additions from purchases, assumption or transfer to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

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Value of loans held-for-sale transferred to loans held in the entity's portfolio in noncash transactions.

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Value transferred from mortgage loans to real estate owned (REO) in noncash transactions.

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