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Borrowings - Schedule of Federal Home Loan Bank Advances by Branch of FHLB Bank (Detail) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Principal Amounts	$ 85,597	$ 99,397
Federal Home Loan Bank Advances One [Member]
Principal Amounts	$ 82,929	$ 96,729
Maturity Dates	2023	2023
Federal Home Loan Bank Advances One [Member] | Minimum [Member]
Interest Rates	5.22%	0.44%
Federal Home Loan Bank Advances One [Member] | Maximum [Member]
Interest Rates	5.33%	4.38%
Federal Home Loan Bank Advances Two [Member]
Principal Amounts	$ 800	$ 800
Maturity Dates	2024	2024
Interest Rates	0.00%	0.00%
Federal Home Loan Bank Advances Three [Member]
Principal Amounts	$ 520	$ 520
Maturity Dates	2025	2025
Interest Rates	0.00%	0.00%
Federal Home Loan Bank Advances Four [Member]
Principal Amounts	$ 718	$ 718
Maturity Dates	2028	2028
Interest Rates	0.00%	0.00%
Federal Home Loan Bank Advances Five [Member]
Principal Amounts	$ 200	$ 200
Maturity Dates	2030	2030
Interest Rates	0.00%	0.00%
Federal Home Loan Bank Advances Six [Member]
Principal Amounts	$ 430	$ 430
Maturity Dates	2031	2031
Interest Rates	0.00%	0.00%

X

- Definition

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 470
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480876/942-470-45-1

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X

- Definition

The year of maturity, when only one maturity date applies, for the advances from the Federal Home Loan Bank as of the Balance Sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 470
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480876/942-470-45-1

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-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480848/942-470-50-3

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- Definition

States the interest rate applicable to Federal Home Loan Bank advances outstanding as of the Balance Sheet date.

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-SubTopic 470
-Name Accounting Standards Codification
-Section 45
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