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Income Taxes - Schedule of Effective Income Tax Rate (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Income Tax Disclosure [Abstract]                    
Income tax expense at federal statutory rate                 $ 1,202 $ 742
Increase (decrease) resulting from:                    
Tax-exempt interest                 (88) (87)
Bank-owned life insurance                 (62) (63)
State income tax expense, net of federal income taxes                 169 132
Other                 54 101
Total $ 507 $ 229 $ 271 $ 268 $ 309 $ 136 $ 118 $ 262 $ 1,275 $ 825