Regulatory & Capital Matters - Capital Levels and Industry Defined Regulatory Minimums (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Common equity tier 1 capital to risk weighted assets
Actual	$ 457,206	$ 394,421
Minimum Required for Capital Adequacy Purposes with Capital Conservation Buffer if applicable	$ 330,966	$ 291,855
Common equity tier 1 capital to risk weighted assets, Ratio
Actual (as a percent)	0.0967%	0.0946%
Minimum Required for Capital Adequacy Purposes with Capital Conservation Buffer if applicable (as a percent)	0.07%	0.07%
Total capital to risk weighted assets, Amount
Actual at period end	$ 592,039	$ 522,932
Minimum Required for Capital Adequacy Purposes with Capital Conservation Buffer if applicable	$ 496,518	$ 437,513
Total capital to risk weighted assets, Ratio
Risk-based capital ratio (as a percent)	0.1252	0.1255
Minimum Required for Capital Adequacy Purposes with Capital Conservation Buffer if applicable (as a percent)	0.1050	0.1050
Tier 1 capital to risk weighted assets, Amount
Actual	$ 482,206	$ 419,421
Minimum Required for Capital Adequacy Purposes with Capital Conservation Buffer if applicable	$ 401,838	$ 354,382
Tier 1 capital to risk weighted assets, Ratio
Actual (as a percent)	0.1020	0.1006
Minimum Required for Capital Adequacy Purposes with Capital Conservation Buffer if applicable (as a percent)	0.0850	0.0850
Tier 1 capital to average assets, Amount
Actual	$ 482,206	$ 419,421
Minimum Required for Capital Adequacy Purposes with Capital Conservation Buffer if applicable	$ 236,956	$ 214,812
Tier 1 capital to average assets, Ratio
Tier 1 capital leverage ratio (as a percent)	0.0814	0.0781
Minimum Required for Capital Adequacy Purposes with Capital Conservation Buffer if applicable (as a percent)	0.0400	0.0400
Subsidiaries [Member]
Common equity tier 1 capital to risk weighted assets
Actual	$ 552,404	$ 514,992
Minimum Required for Capital Adequacy Purposes with Capital Conservation Buffer if applicable	330,498	290,487
Minimum Required to Be Well Capitalized	$ 306,891	$ 269,738
Common equity tier 1 capital to risk weighted assets, Ratio
Actual (as a percent)	0.117%	0.1241%
Minimum Required for Capital Adequacy Purposes with Capital Conservation Buffer if applicable (as a percent)	0.07%	0.07%
Minimum Required to Be Well Capitalized (as a percent)	0.065%	0.065%
Total capital to risk weighted assets, Amount
Actual at period end	$ 602,237	$ 558,503
Minimum Required for Capital Adequacy Purposes with Capital Conservation Buffer if applicable	495,960	435,682
Minimum Required to Be Well Capitalized	$ 472,343	$ 414,935
Total capital to risk weighted assets, Ratio
Risk-based capital ratio (as a percent)	0.1275	0.1346
Minimum Required for Capital Adequacy Purposes with Capital Conservation Buffer if applicable (as a percent)	0.1050	0.1050
Minimum Required to Be Well Capitalized (as a percent)	0.1000	0.1000
Tier 1 capital to risk weighted assets, Amount
Actual	$ 552,404	$ 514,992
Minimum Required for Capital Adequacy Purposes with Capital Conservation Buffer if applicable	401,319	352,734
Minimum Required to Be Well Capitalized	$ 377,712	$ 331,985
Tier 1 capital to risk weighted assets, Ratio
Actual (as a percent)	0.1170	0.1241
Minimum Required for Capital Adequacy Purposes with Capital Conservation Buffer if applicable (as a percent)	0.0850	0.0850
Minimum Required to Be Well Capitalized (as a percent)	0.0800	0.0800
Tier 1 capital to average assets, Amount
Actual	$ 552,404	$ 514,992
Minimum Required for Capital Adequacy Purposes with Capital Conservation Buffer if applicable	237,083	215,028
Minimum Required to Be Well Capitalized	$ 296,354	$ 268,785
Tier 1 capital to average assets, Ratio
Tier 1 capital leverage ratio (as a percent)	0.0932	0.0958
Minimum Required for Capital Adequacy Purposes with Capital Conservation Buffer if applicable (as a percent)	0.0400	0.0400
Minimum Required to Be Well Capitalized (as a percent)	0.0500	0.0500