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Business Combination and Asset Purchase - Schedule of Annual Amortization of Core Deposit Intangible Assets (Detail) $ in Thousands | Sep. 30, 2021 USD ($)
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Business Acquisition [Line Items] |
2021 | $ 653
2022 | 700
2023 | 700
2024 | 700
2025 | 700
Finite-Lived Intangible Assets, Net | 3,453
Customer Lists [Member] |
Business Acquisition [Line Items] |
2021 | 123
Geneva [Member] |
Business Acquisition [Line Items] |
2021 | 560
2022 | 560
2023 | 560
2024 | 560
2025 | 560
Finite-Lived Intangible Assets, Net | 2,800
Ossian [Member] |
Business Acquisition [Line Items] |
2021 | 93
2022 | 140
2023 | 140
2024 | 140
2025 | 140
Thereafter | 327
Finite-Lived Intangible Assets, Net | 980
Adams County Financial Resources [Member] | Customer Lists [Member] |
Business Acquisition [Line Items] |
2021 | 123
2022 | 123
2023 | 123
2024 | 123
2025 | 123
Thereafter | 169
Finite-Lived Intangible Assets, Net | $ 784

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