Regulatory Capital Matters - Summary of Actual and Required Capital Amounts and Ratios (Details) $ in Thousands	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Consolidated
Total Capital to Risk Weighted Assets
Total Capital to Risk Weighted Assets, Actual Amount	$ 541,651	$ 462,457
Total Capital to Risk Weighted Assets, Actual Ratio	0.1492	0.1432
Total Capital to Risk Weighted Assets, For Capital Adequacy Purposes Amount	$ 381,093	$ 339,107
Total Capital to Risk Weighted Assets, For Capital Adequacy Purposes Ratio	0.1050	0.1050
Tier 1 (Core) Capital to Risk Weighted Assets
Tier 1 (Core) Capital to Risk Weighted Assets, Actual Amount	$ 427,988	$ 384,650
Tier 1 (Core) Capital to Risk Weighted Assets, Actual Ratio	0.1179	0.1191
Tier 1 (Core) Capital to Risk Weighted Assets, For Capital Adequacy Purposes Amount	$ 308,504	$ 274,516
Tier 1 (Core) Capital to Risk Weighted Assets, For Capital Adequacy Purposes Ratio	0.0850	0.0850
Common equity Tier 1 to Risk Weighted Assets
Common equity Tier 1 to Risk Weighted Assets, Actual Amount	$ 350,203	$ 306,865
Common equity Tier 1 to Risk Weighted Assets, Actual Ratio	0.0965	0.0950
Common equity Tier 1 to Risk Weighted Assets, For Capital Adequacy Purposes Amount	$ 254,062	$ 226,072
Common equity Tier 1 to Risk Weighted Assets, For Capital Adequacy Purposes Ratio	7.00%	7.00%
Tier 1 (Core) Capital to Average Assets
Tier 1 (Core) Capital to Average Assets, Actual Amount	$ 427,988	$ 384,650
Tier 1 (Core) Capital to Average Assets, Actual Ratio	0.0822	0.0811
Tier 1 (Core) Capital to Average Assets, For Capital Adequacy Purposes, Amount	$ 208,208	$ 189,728
Tier 1 (Core) Capital to Average Assets, For Capital Adequacy Purposes, Ratio	0.0400	0.0400
Bank
Total Capital to Risk Weighted Assets
Total Capital to Risk Weighted Assets, Actual Amount	$ 475,231	$ 434,598
Total Capital to Risk Weighted Assets, Actual Ratio	0.1316	0.1352
Total Capital to Risk Weighted Assets, For Capital Adequacy Purposes Amount	$ 379,180	$ 337,554
Total Capital to Risk Weighted Assets, For Capital Adequacy Purposes Ratio	0.1050	0.1050
Total Capital to Risk Weighted Assets, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 361,123	$ 321,480
Total Capital to Risk Weighted Assets, To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.1000	0.1000
Tier 1 (Core) Capital to Risk Weighted Assets
Tier 1 (Core) Capital to Risk Weighted Assets, Actual Amount	$ 447,055	$ 408,693
Tier 1 (Core) Capital to Risk Weighted Assets, Actual Ratio	0.1238	0.1271
Tier 1 (Core) Capital to Risk Weighted Assets, For Capital Adequacy Purposes Amount	$ 306,955	$ 273,258
Tier 1 (Core) Capital to Risk Weighted Assets, For Capital Adequacy Purposes Ratio	0.0850	0.0850
Tier 1 (Core) Capital to Risk Weighted Assets, To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 288,899	$ 257,184
Tier 1 (Core) Capital to Risk Weighted Assets, To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.0800	0.0800
Common equity Tier 1 to Risk Weighted Assets
Common equity Tier 1 to Risk Weighted Assets, Actual Amount	$ 439,676	$ 401,314
Common equity Tier 1 to Risk Weighted Assets, Actual Ratio	0.1218	0.1248
Common equity Tier 1 to Risk Weighted Assets, For Capital Adequacy Purposes Amount	$ 252,786	$ 225,036
Common equity Tier 1 to Risk Weighted Assets, For Capital Adequacy Purposes Ratio	7.00%	7.00%
Common equity Tier 1 to Risk Weighted Assets, To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 234,730	$ 208,962
Common equity Tier 1 to Risk Weighted Assets, To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	6.50%	6.50%
Tier 1 (Core) Capital to Average Assets
Tier 1 (Core) Capital to Average Assets, Actual Amount	$ 447,055	$ 408,693
Tier 1 (Core) Capital to Average Assets, Actual Ratio	0.0863	0.0866
Tier 1 (Core) Capital to Average Assets, For Capital Adequacy Purposes, Amount	$ 207,109	$ 188,690
Tier 1 (Core) Capital to Average Assets, For Capital Adequacy Purposes, Ratio	0.0400	0.0400
Tier 1 (Core) Capital to Average Assets, To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 258,887	$ 235,863
Tier 1 (Core) Capital to Average Assets, To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.0500	0.0500

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Amount of total capital as defined by regulatory framework.

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