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LOANS HELD FOR INVESTMENT - Additional Information III (Detail) - USD ($) | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Revolving loans converted to term loans | $ 0 | $ 0
Interest receivable | 77,895,000 | 77,716,000
Loans held for investment | 12,385,508,000 | 12,185,483,000
Commercial Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | Puerto Rico [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual commercial relationship | 16,500,000 |
Collateral Pledged [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual commercial relationship | $ 50,449,000 | $ 39,350,000
Collateral Pledged [Member] | Commercial Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | Puerto Rico [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
LTV Coverage % | 100.00% |
Collateral Pledged [Member] | Weighted Average [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
LTV Coverage % | 74.00% | 65.00%
Loans and Finance Receivables [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest receivable | $ 63,100,000 | $ 62,300,000

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