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LOANS RECEIVABLE AND THE ALLOWANCE FOR CREDIT LOSSES (Allowance for Loan Losses) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2023
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |  |  |  |
Provision for credit losses | $ (1,384) | $ (1,967) | $ (10,134) | $ (5,344) |  |  |  |
Recoveries | 1,050 | 734 | 2,622 | 3,931 |  |  |  |
Charge-offs | (3,228) | (964) | (8,570) | (4,333) |  |  |  |
Financing Receivable, Allowance for Credit Loss | 159,707 | 154,585 | 159,707 | 154,585 | $ 155,521 | $ 160,501 | $ 152,848 | $ 149,643
Commercial Real Estate |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |  |  |  |
Provision for credit losses | (119) | (911) | (215) | (5,549) |  |  |  |
Recoveries | 36 | 65 | 146 | 1,552 |  |  |  |
Charge-offs | 0 | 0 | 0 | (347) |  |  |  |
Financing Receivable, Allowance for Credit Loss | 41,191 | 40,040 | 41,191 | 40,040 | 40,830 | 41,036 | 39,064 | 44,384
Multifamily Real Estate |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |  |  |  |
Provision for credit losses | (17) | (1,980) | (407) | (907) |  |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |  |
Charge-offs | 0 | 0 | 0 | 0 |  |  |  |
Financing Receivable, Allowance for Credit Loss | 9,901 | 10,233 | 9,901 | 10,233 | 10,308 | 9,918 | 8,253 | 9,326
Construction and Land |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |  |  |  |
Provision for credit losses | (513) | (3,130) | (5,599) | (372) |  |  |  |
Recoveries | 725 | 0 | 725 | 0 |  |  |  |
Charge-offs | (218) | (145) | (218) | (145) |  |  |  |
Financing Receivable, Allowance for Credit Loss | 35,144 | 28,322 | 35,144 | 28,322 | 29,038 | 34,124 | 31,597 | 28,095
Commercial Business and Small Business Scored |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |  |  |  |
Provision for credit losses | (526) | (745) | (2,729) | (4,957) |  |  |  |
Recoveries | 99 | 613 | 1,017 | 1,718 |  |  |  |
Charge-offs | (518) | (414) | (4,711) | (2,360) |  |  |  |
Financing Receivable, Allowance for Credit Loss | 37,646 | 39,779 | 37,646 | 39,779 | 38,611 | 38,591 | 38,835 | 35,464
Agricultural Business |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |  |  |  |
Provision for credit losses | (1,007) | (1,294) | (1,847) | (1,173) |  |  |  |
Recoveries | 99 | 1 | 110 | 302 |  |  |  |
Charge-offs | (2,054) | 0 | (2,416) | 0 |  |  |  |
Financing Receivable, Allowance for Credit Loss | 5,268 | 5,340 | 5,268 | 5,340 | 5,727 | 6,216 | 4,045 | 3,865
One- to Four-Family Residential |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |  |  |  |
Provision for credit losses | (445) | (457) | (568) | (1,145) |  |  |  |
Recoveries | 13 | 14 | 259 | 47 |  |  |  |
Charge-offs | 0 | 0 | (13) | 0 |  |  |  |
Financing Receivable, Allowance for Credit Loss | 20,485 | 20,463 | 20,485 | 20,463 | 20,807 | 20,917 | 20,906 | 19,271
Consumer Loan [Member] |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |  |  |  |
Provision for credit losses | (733) | (624) | (719) | (2,339) |  |  |  |
Recoveries | 78 | 41 | 365 | 312 |  |  |  |
Charge-offs | (438) | (405) | (1,212) | (1,481) | (1,730) |  |  |
Financing Receivable, Allowance for Credit Loss | 10,072 | $ 10,408 | 10,072 | $ 10,408 | 10,200 | $ 9,699 | $ 10,148 | $ 9,238
Commercial Business |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Loan Losses [Roll Forward] |  |  |  |  |  |  |  |
Charge-offs |  |  | (3,202) |  | $ (4,020) |  |  |
Financing Receivable, Allowance for Credit Loss | $ 37,646 |  | $ 37,646 |  |  |  |  |

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