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NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING AND REPORTING POLICIES - Additional Cash Flow Information (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2026 | Mar. 31, 2025
Cash paid for: |  |
Interest | $ 39,432 | $ 50,258
U.S. federal income taxes, net of refunds received | 0 | 0
State income/franchise taxes, net of refunds received | 0 | (49)
Operating lease liabilities | 1,083 | 1,051
Significant non-cash transactions: |  |
Loans transferred to other real estate | 2,251 | 8,786
Lease right-of-use assets obtained in exchange for lessee operating lease liabilities | $ 120 | $ 0

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