Regulatory Capital Matters - Schedule of Actual and Required Capital Amounts and Ratios, Exclusive of Capital Conservation Buffer (Details) $ in Thousands	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Total capital (to risk-weighted assets), actual amount	$ 222,643	$ 213,862
Tier 1 capital (to risk-weighted assets), actual amount	202,589	194,358
Common equity Tier 1 capital (to risk-weighted assets), actual amount	202,589	194,358
Tier 1 capital (to average assets), actual amount	$ 202,589	$ 194,358
Total capital (to risk-weighted assets), actual ratio	0.1310	0.1306
Tier 1 capital (to risk-weighted assets), actual ratio	0.1192	0.1187
Common equity Tier 1 capital (to risk-weighted assets), actual ratio	0.1192	0.1187
Tier 1 capital (to average assets), actual ratio	0.0950	0.0938
Bank
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Total capital (to risk-weighted assets), actual amount	$ 220,584	$ 211,981
Tier 1 capital (to risk-weighted assets), actual amount	200,530	192,477
Common equity Tier 1 capital (to risk-weighted assets), actual amount	200,530	192,477
Tier 1 capital (to average assets), actual amount	$ 200,530	$ 192,477
Total capital (to risk-weighted assets), actual ratio	0.1298	0.1294
Tier 1 capital (to risk-weighted assets), actual ratio	0.1180	0.1175
Common equity Tier 1 capital (to risk-weighted assets), actual ratio	0.1180	0.1175
Tier 1 capital (to average assets), actual ratio	0.0941	0.0929
Total capital (to risk-weighted assets), amount, required for capital adequacy purposes	$ 136,000	$ 131,020
Tier 1 capital (to risk-weighted assets), amount, required for capital adequacy purposes	102,000	98,265
Common equity Tier 1 capital (to risk-weighted assets), amount, required for capital adequacy purposes	76,500	73,699
Tier 1 capital (to average assets), amount, required for capital adequacy purposes	$ 85,257	$ 82,836
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"	$ 170,000	$ 163,775
Tier 1 capital (to risk-weighted assets), amount, minimum to be considered "Well Capitalized"	136,000	131,020
Common equity Tier 1 capital (to risk-weighted assets), amount, minimum to be considered "Well Capitalized"	110,500	106,454
Tier 1 capital (to average assets), amount, minimum to be considered "Well Capitalized"	$ 106,571	$ 103,545
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