Business Combination and Asset Purchase - Schedule of Annual Amortization of Core Deposit Intangible Assets (Detail) $ in Thousands	Jun. 30, 2023 USD ($)
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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479907/805-20-50-5

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482665/350-30-50-2

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+ References

No definition available.

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+ References

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 926
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483154/926-20-50-5

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