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Business Combination and Asset Purchase - Schedule of Annual Amortization of Core Deposit Intangible Assets (Detail) $ in Thousands | Sep. 30, 2023 USD ($)
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Core Deposits [Member] |
Business Acquisition [Line Items] |
2023 | $ 1,656
2024 | 1,656
2025 | 1,656
2026 | 1,096
2027 | 1,096
Thereafter | 1,627
Finite-Lived Intangible Assets, Net | 8,787
Customer Lists [Member] |
Business Acquisition [Line Items] |
2023 | 123
Geneva [Member] | Core Deposits [Member] |
Business Acquisition [Line Items] |
2023 | 560
2024 | 560
2025 | 560
Finite-Lived Intangible Assets, Net | 1,680
Ossian [Member] | Core Deposits [Member] |
Business Acquisition [Line Items] |
2023 | 140
2024 | 140
2025 | 140
2026 | 140
2027 | 140
Thereafter | 47
Finite-Lived Intangible Assets, Net | 747
Perpetual Federal Savings Bank [Member] | Core Deposits [Member] |
Business Acquisition [Line Items] |
2023 | 95
2024 | 95
2025 | 95
2026 | 95
2027 | 95
Thereafter | 74
Finite-Lived Intangible Assets, Net | 549
Peoples Federal Savings and Loan [Member] | Core Deposits [Member] |
Business Acquisition [Line Items] |
2023 | 861
2024 | 861
2025 | 861
2026 | 861
2027 | 861
Thereafter | 1,506
Finite-Lived Intangible Assets, Net | 5,811
Adams County Financial Resources [Member] | Customer Lists [Member] |
Business Acquisition [Line Items] |
2023 | 123
2024 | 123
2025 | 123
2026 | 123
2027 | 47
Finite-Lived Intangible Assets, Net | $ 539

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