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Business Combination and Asset Purchase - Schedule of Annual Amortization of Core Deposit Intangible Assets (Detail) $ in Thousands | Sep. 30, 2022 USD ($)
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Core Deposits [Member] |
Business Acquisition [Line Items] |
2022 | $ 795
2023 | 795
2024 | 795
2025 | 795
2026 | 235
Thereafter | 356
Finite-Lived Intangible Assets, Net | 3,771
Core Deposits [Member] | Geneva [Member] |
Business Acquisition [Line Items] |
2022 | 560
2023 | 560
2024 | 560
2025 | 560
Finite-Lived Intangible Assets, Net | 2,240
Core Deposits [Member] | Ossian [Member] |
Business Acquisition [Line Items] |
2022 | 140
2023 | 140
2024 | 140
2025 | 140
2026 | 140
Thereafter | 187
Finite-Lived Intangible Assets, Net | 887
Core Deposits [Member] | Perpetual Federal Savings Bank [Member] |
Business Acquisition [Line Items] |
2022 | 95
2023 | 95
2024 | 95
2025 | 95
2026 | 95
Thereafter | 169
Finite-Lived Intangible Assets, Net | 644
Customer Lists [Member] |
Business Acquisition [Line Items] |
2022 | 123
Customer Lists [Member] | Adams County Financial Resources [Member] |
Business Acquisition [Line Items] |
2022 | 123
2023 | 123
2024 | 123
2025 | 123
2026 | 123
Thereafter | 47
Finite-Lived Intangible Assets, Net | $ 662

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