Shareholders' Equity (Details) $ in Thousands	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Total risk-based capital:
Actual Regulatory Capital - Amount	$ 557,571	$ 522,714
Capital To Risk Weighted Assets	0.1380	0.1471
Minimum Requirement for capital Adequacy Including Capital Buffer Total Risk-Based Capital Ratio	10.50%
Minimum Regulatory Capital Required - Ratio		0.1050
Minimum Regulatory Provision To Be Well Capitalized - Ratio	0.1000	0.1000
Tier 1 capital:
Actual Regulatory Capital - Amount	$ 517,385	$ 486,263
Actual Regulatory Capital - Ratio	0.1281	0.1368
Minimum Regulatory Capital Required for Capital Adequacy Plus Capital Conservation Buffer	8.50%
Minimum Regulatory Capital Required for Capital Adequacy Plus Capital Conservation Buffer		8.50%
Minimum Regulatory Provision To Be Well Capitalized - Ratio	0.0600	0.0600
Common equity tier I capital	$ 474,385	$ 443,263
Tier 1 leverage capital ratio:
Actual Regulatory Capital - Amount	$ 517,385	$ 486,263
Actual Regulatory Capital - Ratio	0.0922	0.0892
Minimum Regulatory Capital Required - Ratio	0.0400	0.0400
Common Equity Tier I Risk Based Capital Ratio	11.74%	12.47%
Minimum Requirement for capital Adequacy Including Capital Buffer Common Equity Tier I Risk-Based Capital Ratio	7.00%
Common Equity Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets		7.00%
Subordinated Debt	$ 44,331	$ 44,331
Subsidiaries [Member]
Total risk-based capital:
Actual Regulatory Capital - Amount	$ 525,346	$ 488,070
Capital To Risk Weighted Assets	0.1303	0.1378
Minimum Requirement for capital Adequacy Including Capital Buffer Total Risk-Based Capital Ratio	10.50%
Minimum Regulatory Capital Required - Ratio		0.1050
Minimum Regulatory Provision To Be Well Capitalized - Ratio	0.1000	0.1000
Tier 1 capital:
Actual Regulatory Capital - Amount	$ 485,160	$ 451,620
Actual Regulatory Capital - Ratio	0.1203	0.1275
Minimum Regulatory Capital Required for Capital Adequacy Plus Capital Conservation Buffer	8.50%
Minimum Regulatory Capital Required for Capital Adequacy Plus Capital Conservation Buffer		8.50%
Minimum Regulatory Provision To Be Well Capitalized - Ratio	0.0800	0.0800
Common equity tier I capital	$ 485,160	$ 451,620
Tier 1 leverage capital ratio:
Actual Regulatory Capital - Amount	$ 485,160	$ 451,620
Actual Regulatory Capital - Ratio	0.0865	0.0831
Minimum Regulatory Capital Required - Ratio	0.0400	0.0400
Minimum Regulatory Provision To Be Well Capitalized - Ratio	0.0500	0.0500
Common Equity Tier I Risk Based Capital Ratio	12.03%	12.75%
Minimum Requirement for capital Adequacy Including Capital Buffer Common Equity Tier I Risk-Based Capital Ratio	7.00%
Common Equity Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets		7.00%
Common Equity Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets	6.50%	6.50%