Shareholders' Equity (Schedule of Consolidated and Affiliate Bank Actual Capital and Minimum Required Levels) (Details) $ in Thousands		Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Tier 1 (Core) Capital (to Average Assets)
Minimum capital conservation buffer		0.025
Bank
Total Capital (to Risk Weighted Assets)
Actual Amount of Total Capital (to Risk Weighted Assets)		$ 503,549	$ 488,409
Actual Ratio of Total Capital (to Risk Weighted Assets)		0.1336	0.1400
Minimum Required For Capital Adequacy Purposes: Amount, Total Capital		$ 301,495	$ 279,088
Minimum Required For Capital Adequacy Purposes: Ratio, Total Capital (to Risk Weighted Assets)	[1]	0.0800	0.0800
Minimum Required To Be Well-Capitalized Under Prompt Corrective Action Regulations: Amount, Total Capital (to Risk Weighted Assets)		$ 376,868	$ 348,860
Minimum Required To Be Well-Capitalized Under Prompt Corrective Action Regulations: Ratio, Total Capital (to Risk Weighted Assets)		0.1000	0.1000
Tier 1 (Core) Capital (to Risk Weighted Assets)
Actual Amount of Tier 1 Capital (to Risk Weighted Assets)		$ 483,457	$ 460,936
Actual Ratio of Tier 1 Capital (to Risk Weighted Assets)		0.1283	0.1321
Minimum Required For Capital Adequacy Purposes: Amount, Tier 1 Capital (to Risk Weighted Assets)		$ 226,121	$ 209,316
Minimum Required For Capital Adequacy Purposes: Ratio, Tier 1 Capital (to Risk Weighted Assets)	[1]	0.0600	0.0600
Minimum Required To Be Well-Capitalized Under Prompt Corrective Action Regulations: Amount, Tier 1 Capital (to Risk Weighted Assets)		$ 301,495	$ 279,088
Minimum Required To Be Well-Capitalized Under Prompt Corrective Action Regulations: Ratio, Tier 1 Capital (to Risk Weighted Assets)		0.0800	0.0800
Common Tier 1 (CET 1) Capital Ratio (to Risk Weighted Assets)
Actual Amount of Common Tier 1 Capital (to Risk Weighted Assets)		$ 483,457	$ 460,936
Actual Ratio of Common Tier 1 Capital (to Risk Weighted Assets)		12.83%	13.21%
Minimum Required For Capital Adequacy Purposes: Amount, Common Tier 1 Capital (to Risk Weighted Assets)		$ 169,591	$ 156,987
Minimum Required For Capital Adequacy Purposes: Ratio, Common Tier 1 Capital (to Risk Weighted Assets)	[1]	4.50%	4.50%
Minimum Required To Be Well-Capitalized Under Prompt Corrective Action Regulations: Amount, Common Tier 1 Capital (to Risk Weighted Assets)		$ 244,964	$ 226,759
Minimum Required To Be Well-Capitalized Under Prompt Corrective Action Regulations: Ratio, Common Tier 1 Capital (to Risk Weighted Assets)		6.50%	6.50%
Tier 1 (Core) Capital (to Average Assets)
Actual Amount of Tier 1 Capital (to Average Assets)		$ 483,457	$ 460,936
Actual Ratio of Tier 1 Capital (to Average Assets)		0.0888	0.0956
Minimum Required For Capital Adequacy Purposes: Amount, Tier 1 Capital (to Average Assets)		$ 217,839	$ 192,915
Minimum Required For Capital Adequacy Purposes: Ratio, Tier 1 Capital (to Average Assets)	[1]	0.0400	0.0400
Minimum Required To Be Well-Capitalized Under Prompt Corrective Action Regulations: Amount, Tier 1 Capital (to Average Assets)		$ 272,299	$ 241,143
Minimum Required To Be Well-Capitalized Under Prompt Corrective Action Regulations: Ratio, Tier 1 Capital (to Average Assets)		0.0500	0.0500
Minimum capital conservation buffer		0.025
Consolidated
Total Capital (to Risk Weighted Assets)
Actual Amount of Total Capital (to Risk Weighted Assets)		$ 611,624	$ 554,168
Actual Ratio of Total Capital (to Risk Weighted Assets)		0.1620	0.1586
Minimum Required For Capital Adequacy Purposes: Amount, Total Capital		$ 302,060	$ 279,554
Minimum Required For Capital Adequacy Purposes: Ratio, Total Capital (to Risk Weighted Assets)	[1]	0.0800	0.0800
Tier 1 (Core) Capital (to Risk Weighted Assets)
Actual Amount of Tier 1 Capital (to Risk Weighted Assets)		$ 551,532	$ 486,969
Actual Ratio of Tier 1 Capital (to Risk Weighted Assets)		0.1461	0.1393
Minimum Required For Capital Adequacy Purposes: Amount, Tier 1 Capital (to Risk Weighted Assets)		$ 226,545	$ 209,665
Minimum Required For Capital Adequacy Purposes: Ratio, Tier 1 Capital (to Risk Weighted Assets)	[1]	0.0600	0.0600
Common Tier 1 (CET 1) Capital Ratio (to Risk Weighted Assets)
Actual Amount of Common Tier 1 Capital (to Risk Weighted Assets)		$ 535,451	$ 470,931
Actual Ratio of Common Tier 1 Capital (to Risk Weighted Assets)		14.18%	13.48%
Minimum Required For Capital Adequacy Purposes: Amount, Common Tier 1 Capital (to Risk Weighted Assets)		$ 169,909	$ 157,249
Minimum Required For Capital Adequacy Purposes: Ratio, Common Tier 1 Capital (to Risk Weighted Assets)	[1]	4.50%	4.50%
Tier 1 (Core) Capital (to Average Assets)
Actual Amount of Tier 1 Capital (to Average Assets)		$ 551,532	$ 486,695
Actual Ratio of Tier 1 Capital (to Average Assets)		0.1010	0.1007
Minimum Required For Capital Adequacy Purposes: Amount, Tier 1 Capital (to Average Assets)		$ 218,352	$ 193,343
Minimum Required For Capital Adequacy Purposes: Ratio, Tier 1 Capital (to Average Assets)	[1]	0.0400	0.0400
Minimum capital conservation buffer		0.025

[1] Excludes 2.5% capital conservation buffer.