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Regulatory Capital Matters - Schedule of Actual and Required Capital Amounts and Ratios, Exclusive of Capital Conservation Buffer (Details) $ in Thousands | Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
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Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items] |  |
Total capital (to risk-weighted assets), actual amount | $ 220,207 | $ 213,862
Tier 1 capital (to risk-weighted assets), actual amount | 200,141 | 194,358
Common equity Tier 1 capital (to risk-weighted assets), actual amount | 200,141 | 194,358
Tier 1 capital (to average assets), actual amount | $ 200,141 | $ 194,358
Total capital (to risk-weighted assets), actual ratio | 0.1327 | 0.1306
Tier 1 capital (to risk-weighted assets), actual ratio | 0.1206 | 0.1187
Common equity Tier 1 capital (to risk-weighted assets), actual ratio | 0.1206 | 0.1187
Tier 1 capital (to average assets), actual ratio | 0.0943 | 0.0938
Bank |  |
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items] |  |
Total capital (to risk-weighted assets), actual amount | $ 215,964 | $ 211,981
Tier 1 capital (to risk-weighted assets), actual amount | 195,898 | 192,477
Common equity Tier 1 capital (to risk-weighted assets), actual amount | 195,898 | 192,477
Tier 1 capital (to average assets), actual amount | $ 195,898 | $ 192,477
Total capital (to risk-weighted assets), actual ratio | 0.1301 | 0.1294
Tier 1 capital (to risk-weighted assets), actual ratio | 0.1181 | 0.1175
Common equity Tier 1 capital (to risk-weighted assets), actual ratio | 0.1181 | 0.1175
Tier 1 capital (to average assets), actual ratio | 0.0923 | 0.0929
Total capital (to risk-weighted assets), amount, required for capital adequacy purposes | $ 132,733 | $ 131,020
Tier 1 capital (to risk-weighted assets), amount, required for capital adequacy purposes | 99,550 | 98,265
Common equity Tier 1 capital (to risk-weighted assets), amount, required for capital adequacy purposes | 74,662 | 73,699
Tier 1 capital (to average assets), amount, required for capital adequacy purposes | $ 84,888 | $ 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" | $ 165,917 | $ 163,775
Tier 1 capital (to risk-weighted assets), amount, minimum to be considered "Well Capitalized" | 132,733 | 131,020
Common equity Tier 1 capital (to risk-weighted assets), amount, minimum to be considered "Well Capitalized" | 107,846 | 106,454
Tier 1 capital (to average assets), amount, minimum to be considered "Well Capitalized" | $ 106,110 | $ 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

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