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Regulatory Matters - Schedule of Regulatory Capital Requirements (Detail) $ in Thousands | Jun. 30, 2023 USD ($) | Dec. 31, 2022 USD ($)
--- | --- | ---
Actual, Total Capital (to risk- weighted assets) | $ 65,881 | $ 52,475
Actual, Tier 1 Capital (to risk- weighted assets) | 62,191 | 48,821
Actual, Tier 1 Capital (to average assets) | 62,191 | 48,821
Actual, Common Equity Tier 1 (to risk-weighted assets) | $ 62,191 | $ 48,821
Actual Ratio, Total Capital (to risk- weighted assets) | 0.1869 | 0.1553
Actual Ratio, Tier 1 Capital (to risk- weighted assets) | 0.1764 | 0.1445
Actual Ratio, Tier 1 Capital (to average assets) | 0.1137 | 0.0920
Actual Ratio, Common Equity Tier 1 (to risk-weighted assets) | 0.1764 | 0.1445
Minimum Capital Requirement, Total Capital (to risk-weighted assets) | $ 28,203 | $ 27,028
Minimum Capital Requirement, Tier 1 Capital (to risk-weighted assets) | 21,153 | 20,271
Minimum Capital Requirement, Tier 1 Capital (to average assets) | 21,869 | 21,224
Minimum Capital Requirement, Common Equity Tier 1 (to risk-weighted assets) | $ 15,865 | $ 15,203
Minimum Capital Requirement Ratio, Total Capital (to risk-weighted assets) | 0.0800 | 0.0800
Minimum Capital Requirement Ratio, Tier 1 Capital (to risk-weighted assets) | 0.0600 | 0.0600
Minimum Capital Requirement Ratio, Tier 1 Capital (to average assets) | 0.0400 | 0.0400
Minimum Capital Requirement Ratio, Common Equity Tier 1 (to risk-weighted assets) | 4.50% | 4.50%
Minimum Capital Required to be Well Capitalized, Total Capital (to risk-weighted assets) | $ 35,254 | $ 33,785
Minimum Capital Required to be Well Capitalized, Tier 1 Capital (to risk-weighted assets) | 28,205 | 27,028
Minimum Capital Required to be Well Capitalized, Tier 1 Capital (to average assets) | 27,337 | 26,530
Minimum Capital Required to be Well Capitalized, Common Equity Tier 1 (to risk-weighted assets) | $ 22,916 | $ 21,960
Minimum Capital Requirement Ratio, Total Capital (to risk-weighted assets) | 0.1000 | 0.1000
Minimum Capital Requirement Ratio, Tier 1 Capital (to risk-weighted assets) | 0.0800 | 0.0800
Minimum Capital Requirement Ratio, Tier 1 Capital (to average assets) | 0.0500 | 0.0500
Minimum Capital Requirement Ratio, Common Equity Tier 1 (to risk-weighted assets) | 0.0650 | 0.0650
Fully Phased In [Member] |  |
Minimum Capital Requirement, Total Capital (to risk-weighted assets) | $ 37,016 | $ 35,474
Minimum Capital Requirement, Tier 1 Capital (to risk-weighted assets) | 29,967 | 28,717
Minimum Capital Requirement, Tier 1 Capital (to average assets) | 21,869 | 21,224
Minimum Capital Requirement, Common Equity Tier 1 (to risk-weighted assets) | $ 24,679 | $ 23,649
Minimum Capital Requirement Ratio, Total Capital (to risk-weighted assets) | 0.1050 | 0.1050
Minimum Capital Requirement Ratio, Tier 1 Capital (to risk-weighted assets) | 0.0850 | 0.0850
Minimum Capital Requirement Ratio, Tier 1 Capital (to average assets) | 0.0400 | 0.0400
Minimum Capital Requirement Ratio, Common Equity Tier 1 (to risk-weighted assets) | 7.00% | 7.00%

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