Regulatory Capital Requirements (Details) $ in Thousands	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Total capital to risk weighted assets:
Total capital to risk weighted assets, Actual Amount	$ 900,806	$ 830,262
Total capital to risk weighted assets, Actual Ratio ( as a percentage)	0.1300	0.1470
Total capital to risk weighted assets, Minimum Amount Required for Adequately Capitalized Amount	$ 554,436	$ 451,903
Total capital to risk weighted assets, Minimum Amount Required for Adequately Capitalized Ratio ( as a percentage)	0.0800	0.0800
Tier 1 capital to risk weighted assets:
Tier 1 capital to risk weighted assets, Actual Amount	$ 751,887	$ 698,846
Tier 1 capital to risk weighted assets, Actual Ratio ( as a percentage)	0.1085	0.1237
Tier 1 capital to risk weighted assets, Minimum Amount Required for Adequately Capitalized Amount	$ 415,827	$ 338,927
Tier 1 capital to risk weighted assets, Minimum Amount Required for Adequately Capitalized Ratio ( as a percentage)	0.0600	0.0600
Common Equity Tier 1 (CET1) to risk weighted assets:
Common Equity Tier 1 (CET1) to risk weighted, Actual Amount	$ 706,887	$ 643,408
Common Equity Tier 1 (CET1) to risk weighted, Actual Ratio ( as a percentage)	10.20%	11.39%
Common Equity Tier 1 (CET1) to risk weighted, Minimum Amount Required for Adequately Capitalized Amount	$ 311,870	$ 254,195
Common Equity Tier 1 (CET1) to risk weighted, Minimum Amount Required for Adequately Capitalized Ratio ( as a percentage)	4.50%	4.50%
Tier 1 capital to average assets:
Tier 1 capital to average, Actual Amount	$ 751,887	$ 698,846
Tier 1 capital to average, Actual Ratio ( as a percentage)	0.1029	0.1089
Tier 1 capital to average, Minimum Amount Required for Adequately Capitalized Amount	$ 292,258	$ 256,657
Tier 1 capital to average, Minimum Amount Required for Adequately Capitalized Ratio ( as a percentage)	0.0400	0.0400
Bank
Total capital to risk weighted assets:
Total capital to risk weighted assets, Actual Amount	$ 852,047	$ 753,480
Total capital to risk weighted assets, Actual Ratio ( as a percentage)	0.1234	0.1338
Total capital to risk weighted assets, Minimum Amount Required for Adequately Capitalized Amount	$ 552,507	$ 450,470
Total capital to risk weighted assets, Minimum Amount Required for Adequately Capitalized Ratio ( as a percentage)	0.0800	0.0800
Total capital to risk weighted assets, Minimum Amount To Be Well Capitalized Amount	$ 690,633	$ 563,087
Total capital to risk weighted assets, Minimum Amount To Be Well Capitalized Ratio (as a percentage)	0.1000	0.1000
Tier 1 capital to risk weighted assets:
Tier 1 capital to risk weighted assets, Actual Amount	$ 778,128	$ 697,064
Tier 1 capital to risk weighted assets, Actual Ratio ( as a percentage)	0.1127	0.1238
Tier 1 capital to risk weighted assets, Minimum Amount Required for Adequately Capitalized Amount	$ 414,380	$ 337,852
Tier 1 capital to risk weighted assets, Minimum Amount Required for Adequately Capitalized Ratio ( as a percentage)	0.0600	0.0600
Tier 1 capital to risk weighted assets, Minimum Amount To Be Well Capitalized Amount	$ 552,507	$ 450,470
Tier 1 capital to risk weighted assets, Minimum Amount To Be Well Capitalized Ratio (asa percentage)	0.0800	0.0800
Common Equity Tier 1 (CET1) to risk weighted assets:
Common Equity Tier 1 (CET1) to risk weighted, Actual Amount	$ 778,128	$ 697,064
Common Equity Tier 1 (CET1) to risk weighted, Actual Ratio ( as a percentage)	11.27%	12.38%
Common Equity Tier 1 (CET1) to risk weighted, Minimum Amount Required for Adequately Capitalized Amount	$ 310,785	$ 253,389
Common Equity Tier 1 (CET1) to risk weighted, Minimum Amount Required for Adequately Capitalized Ratio ( as a percentage)	4.50%	4.50%
Common Equity Tier 1 (CET1) to risk weighted, Minimum Amount To Be Well Capitalized Amount	$ 448,912	$ 366,007
Common Equity Tier 1 (CET1) to risk weighted, Minimum Amount To Be Well Capitalized Ratio (as a percentage)	6.50%	6.50%
Tier 1 capital to average assets:
Tier 1 capital to average, Actual Amount	$ 778,128	$ 697,064
Tier 1 capital to average, Actual Ratio ( as a percentage)	0.1067	0.1087
Tier 1 capital to average, Minimum Amount Required for Adequately Capitalized Amount	$ 291,741	$ 256,478
Tier 1 capital to average, Minimum Amount Required for Adequately Capitalized Ratio ( as a percentage)	0.0400	0.0400
Tier 1 capital to average, Minimum Amount To Be Well Capitalized Amount	$ 364,676	$ 320,597
Tier 1 capital to average, Minimum Amount To Be Well Capitalized Ratio ( as a percentage)	0.0500	0.0500