Regulatory Capital (Schedule of Regulatory Capital Amounts and Ratios) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Regulatory Assets
Common equity	$ 198,806	$ 187,011
Goodwill	(10,835)	(10,835)
Core deposit intangible (net of deferred tax liability)	(414)	(477)
AOCI losses	37,896	43,092
Common Equity Tier 1 Capital	225,453	218,791
TRUPs	12,000	12,000
Tier 1 Capital	237,453	230,791
Allowable reserve for credit losses and other Tier 2 adjustments	23,911	23,303
Subordinated notes	19,580	19,566
Tier 2 Capital	280,944	273,660
Risk-Weighted Assets ("RWA")	1,956,402	1,943,516
Average Assets ("AA")	$ 2,453,436	$ 2,404,643
Common Tier 1 Capital to RWA, Regulatory Min. Ratio + CCB	7.00%
Tier 1 Capital to RWA, Regulatory Min. Ratio + CCB	8.50%
Tier 2 Capital to RWA, Regulatory Min. Ratio + CCB	10.50%
Common Tier 1 Capital to RWA	11.52%	11.26%
Tier 1 Capital to RWA	0.1214	0.1187
Tier 2 Capital to RWA	14.36%	14.08%
Tier 1 Capital to AA (Leverage)	0.0968	0.0960
PCA well capitalized (as a percent)	0.0500
Bank
Regulatory Assets
Common equity	$ 227,967	$ 216,408
Goodwill	(10,835)	(10,835)
Core deposit intangible (net of deferred tax liability)	(414)	(477)
AOCI losses	37,896	43,092
Common Equity Tier 1 Capital	254,614	248,188
Tier 1 Capital	254,614	248,188
Allowable reserve for credit losses and other Tier 2 adjustments	23,911	23,303
Tier 2 Capital	278,525	271,491
Risk-Weighted Assets ("RWA")	1,954,574	1,941,922
Average Assets ("AA")	$ 2,451,758	$ 2,403,268
Common Tier 1 Capital to RWA	13.03%	12.78%
Tier 1 Capital to RWA	0.1303	0.1278
Tier 2 Capital to RWA	14.25%	13.98%
Tier 1 Capital to AA (Leverage)	0.1038	0.1033