Regulatory Capital Matters - Schedule of Actual and Required Capital Amounts and Ratios, Exclusive of Capital Conservation Buffer (Details) $ in Thousands	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Total capital (to risk-weighted assets), actual amount	$ 229,544	$ 213,862
Tier 1 capital (to risk-weighted assets), actual amount	208,707	194,358
Common equity Tier 1 capital (to risk-weighted assets), actual amount	208,707	194,358
Tier 1 capital (to average assets), actual amount	$ 208,707	$ 194,358
Total capital (to risk-weighted assets), actual ratio	0.1377	0.1306
Tier 1 capital (to risk-weighted assets), actual ratio	0.1252	0.1187
Common equity Tier 1 capital (to risk-weighted assets), actual ratio	0.1252	0.1187
Tier 1 capital (to average assets), actual ratio	0.0957	0.0938
Bank
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Total capital (to risk-weighted assets), actual amount	$ 227,773	$ 211,981
Tier 1 capital (to risk-weighted assets), actual amount	206,936	192,477
Common equity Tier 1 capital (to risk-weighted assets), actual amount	206,936	192,477
Tier 1 capital (to average assets), actual amount	$ 206,936	$ 192,477
Total capital (to risk-weighted assets), actual ratio	0.1366	0.1294
Tier 1 capital (to risk-weighted assets), actual ratio	0.1241	0.1175
Common equity Tier 1 capital (to risk-weighted assets), actual ratio	0.1241	0.1175
Tier 1 capital (to average assets), actual ratio	0.0949	0.0929
Total capital (to risk-weighted assets), amount, required for capital adequacy purposes	$ 133,353	$ 131,020
Tier 1 capital (to risk-weighted assets), amount, required for capital adequacy purposes	100,014	98,265
Common equity Tier 1 capital (to risk-weighted assets), amount, required for capital adequacy purposes	75,011	73,699
Tier 1 capital (to average assets), amount, required for capital adequacy purposes	$ 87,207	$ 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"	$ 166,691	$ 163,775
Tier 1 capital (to risk-weighted assets), amount, minimum to be considered "Well Capitalized"	133,353	131,020
Common equity Tier 1 capital (to risk-weighted assets), amount, minimum to be considered "Well Capitalized"	108,349	106,454
Tier 1 capital (to average assets), amount, minimum to be considered "Well Capitalized"	$ 109,008	$ 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