Regulatory Capital Matters - Schedule of Actual and Required Capital Amounts and Ratios, Exclusive of Capital Conservation Buffer (Details) $ in Thousands	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Total capital (to risk-weighted assets), actual amount	$ 213,862	$ 182,439
Tier 1 capital (to risk-weighted assets), actual amount	194,358	165,944
Common equity Tier 1 capital (to risk-weighted assets), actual amount	194,358	165,944
Tier 1 capital (to average assets), actual amount	$ 194,358	$ 165,944
Total capital (to risk-weighted assets), actual ratio	0.1306	0.1366
Tier 1 capital (to risk-weighted assets), actual ratio	0.1187	0.1242
Common equity Tier 1 capital (to risk-weighted assets), actual ratio	0.1187	0.1242
Tier 1 capital (to average assets), actual ratio	0.0938	0.0958
Bank
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Total capital (to risk-weighted assets), actual amount	$ 211,981	$ 179,882
Tier 1 capital (to risk-weighted assets), actual amount	192,477	163,387
Common equity Tier 1 capital (to risk-weighted assets), actual amount	192,477	163,387
Tier 1 capital (to average assets), actual amount	$ 192,477	$ 163,387
Total capital (to risk-weighted assets), actual ratio	0.1294	0.1347
Tier 1 capital (to risk-weighted assets), actual ratio	0.1175	0.1223
Common equity Tier 1 capital (to risk-weighted assets), actual ratio	0.1175	0.1223
Tier 1 capital (to average assets), actual ratio	0.0929	0.0944
Total capital (to risk-weighted assets), amount, required for capital adequacy purposes	$ 131,020	$ 106,857
Tier 1 capital (to risk-weighted assets), amount, required for capital adequacy purposes	98,265	80,143
Common equity Tier 1 capital (to risk-weighted assets), amount, required for capital adequacy purposes	73,699	60,107
Tier 1 capital (to average assets), amount, required for capital adequacy purposes	$ 82,836	$ 69,266
Total capital (to risk-weighted assets), ratio, required for capital adequacy purposes	0.0800	0.0800
Tier 1 capital (to risk-weighted assets), ratio, required for capital adequacy purposes	0.0600	0.0600
Common equity Tier 1 capital (to risk-weighted assets), ratio, required for capital adequacy purposes	0.0450	0.0450
Tier 1 capital (to average assets), ratio, required for capital adequacy purposes	0.0400	0.0400
Total capital (to risk-weighted assets), amount, minimum to be considered "Well Capitalized"	$ 163,775	$ 133,572
Tier 1 capital (to risk-weighted assets), amount, minimum to be considered "Well Capitalized"	131,020	106,857
Common equity Tier 1 capital (to risk-weighted assets), amount, minimum to be considered "Well Capitalized"	106,454	86,822
Tier 1 capital (to average assets), amount, minimum to be considered "Well Capitalized"	$ 103,545	$ 86,582
Total capital (to risk-weighted assets), ratio, minimum to be considered "Well Capitalized"	0.1000	0.1000
Tier 1 capital (to risk-weighted assets), ratio, minimum to be considered "Well Capitalized"	0.0800	0.0800
Common equity Tier 1 capital (to risk-weighted assets), ratio, minimum to be considered "Well Capitalized"	0.0650	0.0650
Tier 1 capital (to average assets), ratio, minimum to be considered "Well Capitalized"	0.0500	0.0500