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Loans and Allowance for Loan Losses - Schedule of Current, Accruing Past Due, and Non-Accrual Loans on an Amortized Cost Basis by Loan Portfolio Class (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Mar. 31, 2024
--- | --- | ---
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | $ 112,556 | $ 178,714
Current |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 56,825 | 95,683
Accruing 30-89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 2,621 | 511
Accruing 90 Days or Greater Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 0 | 0
Non-accrual |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 53,110 | 82,520
Total commercial and industrial |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 36,623 | 169,131
Total commercial and industrial | Current |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 21,000 | 88,491
Total commercial and industrial | Accruing 30-89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 2,577 | 79
Total commercial and industrial | Accruing 90 Days or Greater Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 0 | 0
Total commercial and industrial | Non-accrual |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 13,046 | 80,561
Total commercial and industrial | Commercial, financial and agricultural |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 22,941 | 134,551
Total commercial and industrial | Commercial, financial and agricultural | Current |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 7,318 | 54,662
Total commercial and industrial | Commercial, financial and agricultural | Accruing 30-89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 2,577 | 79
Total commercial and industrial | Commercial, financial and agricultural | Accruing 90 Days or Greater Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 0 | 0
Total commercial and industrial | Commercial, financial and agricultural | Non-accrual |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 13,046 | 79,810
Total commercial and industrial | Owner-occupied |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 13,682 | 34,580
Total commercial and industrial | Owner-occupied | Current |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 13,682 | 33,829
Total commercial and industrial | Owner-occupied | Accruing 30-89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 0 | 0
Total commercial and industrial | Owner-occupied | Accruing 90 Days or Greater Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 0 | 0
Total commercial and industrial | Owner-occupied | Non-accrual |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 0 | 751
Total commercial real estate |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 67,998 | 4,654
Total commercial real estate | Current |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 35,216 | 4,312
Total commercial real estate | Accruing 30-89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 0 | 0
Total commercial real estate | Accruing 90 Days or Greater Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 0 | 0
Total commercial real estate | Non-accrual |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 32,782 | 342
Total commercial real estate | Investment properties |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 67,998 | 3,130
Total commercial real estate | Investment properties | Current |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 35,216 | 3,130
Total commercial real estate | Investment properties | Accruing 30-89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 0 | 0
Total commercial real estate | Investment properties | Accruing 90 Days or Greater Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 0 | 0
Total commercial real estate | Investment properties | Non-accrual |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 32,782 | 0
Total commercial real estate | 1-4 family properties |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis |  | 407
Total commercial real estate | 1-4 family properties | Current |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis |  | 65
Total commercial real estate | 1-4 family properties | Accruing 30-89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis |  | 0
Total commercial real estate | 1-4 family properties | Accruing 90 Days or Greater Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis |  | 0
Total commercial real estate | 1-4 family properties | Non-accrual |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis |  | 342
Total commercial real estate | Land and development |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis |  | 1,117
Total commercial real estate | Land and development | Current |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis |  | 1,117
Total commercial real estate | Land and development | Accruing 30-89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis |  | 0
Total commercial real estate | Land and development | Accruing 90 Days or Greater Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis |  | 0
Total commercial real estate | Land and development | Non-accrual |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis |  | 0
Total consumer |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 7,935 | 4,929
Total consumer | Current |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 609 | 2,880
Total consumer | Accruing 30-89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 44 | 432
Total consumer | Accruing 90 Days or Greater Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 0 | 0
Total consumer | Non-accrual |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 7,282 | 1,617
Total consumer | Consumer mortgages |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 6,915 | 2,787
Total consumer | Consumer mortgages | Current |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 87 | 1,230
Total consumer | Consumer mortgages | Accruing 30-89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 0 | 187
Total consumer | Consumer mortgages | Accruing 90 Days or Greater Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 0 | 0
Total consumer | Consumer mortgages | Non-accrual |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 6,828 | 1,370
Total consumer | Home equity |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis |  | 618
Total consumer | Home equity | Current |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis |  | 618
Total consumer | Home equity | Accruing 30-89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis |  | 0
Total consumer | Home equity | Accruing 90 Days or Greater Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis |  | 0
Total consumer | Home equity | Non-accrual |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis |  | 0
Total consumer | Other consumer loans |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 1,020 | 1,524
Total consumer | Other consumer loans | Current |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 522 | 1,032
Total consumer | Other consumer loans | Accruing 30-89 Days Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 44 | 245
Total consumer | Other consumer loans | Accruing 90 Days or Greater Past Due |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | 0 | 0
Total consumer | Other consumer loans | Non-accrual |  |
Financing Receivable, Modified [Line Items] |  |
Amortized cost basis of loans, aging analysis | $ 454 | $ 247

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