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Loans and Allowance for Credit Losses - Schedule of Aging Analysis of Contractually Past Due Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Mar. 31, 2025
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Total | $ 422,375 | $ 402,215
Loans Past Due 90 Days or More Still Accuring | 152 | 102
30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 671 | 677
60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 644 | 354
Greater than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 152 | 199
Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 1,467 | 1,230
Current |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 420,908 | 400,985
Commercial Real Estate Portfolio Segment | Real Estate - Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 19,247 | 15,069
Commercial Real Estate Portfolio Segment | Real Estate - Construction | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 19,247 | 15,069
Commercial Real Estate Portfolio Segment | Real Estate - Commercial |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 126,993 | 120,184
Commercial Real Estate Portfolio Segment | Real Estate - Commercial | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 0 |
Commercial Real Estate Portfolio Segment | Real Estate - Commercial | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 0 |
Commercial Real Estate Portfolio Segment | Real Estate - Commercial | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 126,993 | 120,184
Commercial Real Estate Portfolio Segment | Real Estate - Residential |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 158,635 | 161,144
Loans Past Due 90 Days or More Still Accuring | 24 | 3
Commercial Real Estate Portfolio Segment | Real Estate - Residential | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 322 | 486
Commercial Real Estate Portfolio Segment | Real Estate - Residential | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 383 |
Commercial Real Estate Portfolio Segment | Real Estate - Residential | Greater than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 24 | 87
Commercial Real Estate Portfolio Segment | Real Estate - Residential | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 729 | 573
Commercial Real Estate Portfolio Segment | Real Estate - Residential | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 157,906 | 160,571
Commercial Non Real Estate Portfolio Segment | Commercial - Non Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 38,692 | 32,007
Commercial Non Real Estate Portfolio Segment | Commercial - Non Real Estate | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 282 |
Commercial Non Real Estate Portfolio Segment | Commercial - Non Real Estate | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total |  | 9
Commercial Non Real Estate Portfolio Segment | Commercial - Non Real Estate | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 282 | 9
Commercial Non Real Estate Portfolio Segment | Commercial - Non Real Estate | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 38,410 | 31,998
Agricultural Portfolio Segment | Agricultural |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 51,138 | 42,835
Agricultural Portfolio Segment | Agricultural | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total |  | 79
Agricultural Portfolio Segment | Agricultural | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total |  | 79
Agricultural Portfolio Segment | Agricultural | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 51,138 | 42,756
Consumer Portfolio Segment | Other Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 12,439 | 14,649
Loans Past Due 90 Days or More Still Accuring | 128 | 99
Consumer Portfolio Segment | Other Consumer | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 67 | 112
Consumer Portfolio Segment | Other Consumer | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 261 | 345
Consumer Portfolio Segment | Other Consumer | Greater than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 128 | 112
Consumer Portfolio Segment | Other Consumer | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 456 | 569
Consumer Portfolio Segment | Other Consumer | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 11,983 | 14,080
Land Development And SIDs Portfolio Segment | Land Development and SIDs |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 15,231 | 16,327
Land Development And SIDs Portfolio Segment | Land Development and SIDs | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Total | $ 15,231 | $ 16,327

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