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LOANS RECEIVABLE AND THE ALLOWANCE FOR CREDIT LOSSES (Troubled Debt Restructuring) (Details) $ in Thousands | 9 Months Ended
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Sep. 30, 2025 USD ($) Months | Sep. 30, 2024 USD ($) Months
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Troubled Debt Restructuring | $ 16,156 | $ 5,322
Financing Receivable, Modified, Commitment to Lend | 2,500 |
Extended Maturity |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Troubled Debt Restructuring | 16,156 |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated | 1,460 |
Payment Deferral |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Troubled Debt Restructuring |  | 5,322
Financial Asset, Nonaccrual |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated | 1,460 | 5,322
Financial Asset, Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated | 1,460 | 5,322
Multifamily construction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Troubled Debt Restructuring | 7,499 |
Multifamily construction | Extended Maturity |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Troubled Debt Restructuring | $ 7,499 |
Financing Receivable, Modified, Weighted Average Term Increase in Months | Months | 12 |
One- to four- family construction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Troubled Debt Restructuring | $ 2,691 |
One- to four- family construction | Extended Maturity |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Troubled Debt Restructuring | $ 2,691 |
Financing Receivable, Modified, Weighted Average Term Increase in Months | Months | 21 |
Agricultural Business |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Troubled Debt Restructuring | $ 5,966 |
Agricultural Business | Extended Maturity |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Troubled Debt Restructuring | $ 5,966 |
Financing Receivable, Modified, Weighted Average Term Increase in Months | Months | 12 |
Commercial Business |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Troubled Debt Restructuring |  | 5,322
Commercial Business | Extended Maturity |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated | $ 1,460 |
Commercial Business | Payment Deferral |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Troubled Debt Restructuring |  | $ 5,322
Financing Receivable, Modified, Weighted Average Term Increase in Months | Months |  | 3
Commercial Business | Financial Asset, Nonaccrual |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated | 1,460 | $ 5,322
Commercial Business | Financial Asset, Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated | $ 1,460 | $ 5,322

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