Regulatory Capital Matters - Schedule of Actual and Required Capital Amounts and Ratios, Exclusive of Capital Conservation Buffer (Details) $ in Thousands	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Total capital (to risk-weighted assets), actual amount	$ 248,393	$ 244,659
Tier 1 capital (to risk-weighted assets), actual amount	223,210	220,390
Common equity Tier 1 capital (to risk-weighted assets), actual amount	223,210	220,390
Tier 1 capital (to average assets), actual amount	$ 223,210	$ 220,390
Total capital (to risk-weighted assets), actual ratio	0.1233	0.1260
Tier 1 capital (to risk-weighted assets), actual ratio	0.1108	0.1135
Common equity Tier 1 capital (to risk-weighted assets), actual ratio	0.1108	0.1135
Tier 1 capital (to average assets), actual ratio	0.0922	0.0927
Bank
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Total capital (to risk-weighted assets), actual amount	$ 246,883	$ 242,966
Tier 1 capital (to risk-weighted assets), actual amount	221,678	218,675
Common equity Tier 1 capital (to risk-weighted assets), actual amount	221,678	218,675
Tier 1 capital (to average assets), actual amount	$ 221,678	$ 218,675
Total capital (to risk-weighted assets), actual ratio	0.1224	0.1250
Tier 1 capital (to risk-weighted assets), actual ratio	0.1099	0.1125
Common equity Tier 1 capital (to risk-weighted assets), actual ratio	0.1099	0.1125
Tier 1 capital (to average assets), actual ratio	0.0915	0.0920
Total capital (to risk-weighted assets), amount, required for capital adequacy purposes	$ 161,313	$ 155,463
Tier 1 capital (to risk-weighted assets), amount, required for capital adequacy purposes	120,985	116,597
Common equity Tier 1 capital (to risk-weighted assets), amount, required for capital adequacy purposes	90,738	87,448
Tier 1 capital (to average assets), amount, required for capital adequacy purposes	$ 96,874	$ 95,055
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"	$ 201,641	$ 194,328
Tier 1 capital (to risk-weighted assets), amount, minimum to be considered "Well Capitalized"	161,313	155,463
Common equity Tier 1 capital (to risk-weighted assets), amount, minimum to be considered "Well Capitalized"	131,067	126,313
Tier 1 capital (to average assets), amount, minimum to be considered "Well Capitalized"	$ 121,093	$ 118,819
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