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LOANS RECEIVABLE AND THE ALLOWANCE FOR CREDIT LOSSES(Financing Receivable, Modified, Past Due) (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Mar. 31, 2024
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30-59 Days Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated | $ 0 | $ 0
60 to 89 Days Past Due [Member] |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated | 0 | 0
90 Days Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated | 0 | 0
Financial Asset, Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated | 1,183 | 2,765
Commercial Business | 30-59 Days Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated | 0 | 0
Commercial Business | 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated | 0 | 0
Commercial Business | 90 Days Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated | 0 | 0
Commercial Business | Financial Asset, Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated | $ 1,183 | 121
Agricultural Business | 30-59 Days Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated |  | 0
Agricultural Business | 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated |  | 0
Agricultural Business | 90 Days Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated |  | 0
Agricultural Business | Financial Asset, Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated |  | 1,584
One- to Four-Family Residential | 30-59 Days Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated |  | 0
One- to Four-Family Residential | 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated |  | 0
One- to Four-Family Residential | 90 Days Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated |  | 0
One- to Four-Family Residential | Financial Asset, Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated |  | $ 1,060

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