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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 30, 2017 | Dec. 31, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Apr. 27, 2017
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Stock issued, price per share |  |  |  |  |  | $ 10.00
Shares sold as percentage of outstanding shares of common stock |  |  |  |  |  | 46.00%
Basic earnings per share | [1] |  | $ 1.10 | $ 0.41 |  |
Diluted earnings per share | [1] |  | $ 1.09 | 0.41 |  |
Basic and diluted earnings per share |  |  |  | $ 0.41 |  |
Net earnings |  |  | $ 7,573,000 | $ 3,088,000 |  |
Weighted average common shares outstanding |  |  |  | 7,570,797 |  |
Weighted average common shares outstanding, basic |  |  | 6,873,466 |  |  |
Weighted average common shares outstanding, diluted |  |  | 6,696,406 |  |  |
ASU 2016-02 |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Change in accounting principle, accounting standards update, adopted |  |  | true |  |  |
Common Stock |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Sale of common stock shares |  | 3,467,595 |  |  |  |
ESOP |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Percentage of common stock purchased |  |  |  |  |  | 3.92%
Community First Bancshares, MHC |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Common stock ownership percentage |  |  |  |  | 54.00% | 54.00%
[1] | Amounts related to periods prior to the date of Conversion (January 20, 2021) have been restated to give the retroactive recognition to the exchange ratio applied in the Conversion (0.90686) (see Note 1).

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