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Business Combination and Asset Purchase - Schedule of Annual Amortization of Core Deposit Intangible Assets (Detail) $ in Thousands | Sep. 30, 2025 USD ($)
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Core Deposits [Member] |
Business Acquisition [Line Items] |
2025 | $ 1,656
2026 | 1,096
2027 | 1,096
2028 | 981
2029 | 646
Total | 5,475
Customer Lists [Member] |
Business Acquisition [Line Items] |
2025 | 123
Geneva [Member] | Core Deposits [Member] |
Business Acquisition [Line Items] |
2025 | 560
2026 | 0
2027 | 0
2028 | 0
2029 | 0
Total | 560
Ossian [Member] | Core Deposits [Member] |
Business Acquisition [Line Items] |
2025 | 140
2026 | 140
2027 | 140
2028 | 47
2029 | 0
Total | 467
Perpetual Federal Savings Bank [Member] | Core Deposits [Member] |
Business Acquisition [Line Items] |
2025 | 95
2026 | 95
2027 | 95
2028 | 73
2029 | 0
Total | 358
Peoples Federal Savings and Loan [Member] | Core Deposits [Member] |
Business Acquisition [Line Items] |
2025 | 861
2026 | 861
2027 | 861
2028 | 861
2029 | 646
Total | 4,090
Adams County Financial Resources [Member] | Customer Lists [Member] |
Business Acquisition [Line Items] |
2025 | 123
2026 | 123
2027 | 48
Total | $ 294

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