Business Combination and Asset Purchase - Schedule of Annual Amortization of Core Deposit Intangible Assets (Detail) $ in Thousands	Jun. 30, 2024 USD ($)
Core Deposits [Member]
Business Acquisition [Line Items]
2024	$ 1,656
2025	1,656
2026	1,096
2027	1,096
2028	981
Thereafter	646
Total	7,131
Customer Lists [Member]
Business Acquisition [Line Items]
2024	123
Geneva [Member] \| Core Deposits [Member]
Business Acquisition [Line Items]
2024	560
2025	560
Total	1,120
Ossian [Member] \| Core Deposits [Member]
Business Acquisition [Line Items]
2024	140
2025	140
2026	140
2027	140
2028	47
Total	607
Perpetual Federal Savings Bank [Member] \| Core Deposits [Member]
Business Acquisition [Line Items]
2024	95
2025	95
2026	95
2027	95
2028	73
Total	453
Peoples Federal Savings and Loan [Member] \| Core Deposits [Member]
Business Acquisition [Line Items]
2024	861
2025	861
2026	861
2027	861
2028	861
Thereafter	646
Total	4,951
Adams County Financial Resources [Member] \| Customer Lists [Member]
Business Acquisition [Line Items]
2024	123
2025	123
2026	123
2027	48
Total	$ 417

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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