Loans and Allowance for Loan Losses (Allowance for Loan Losses by Commercial and Consumer Portfolio Segments) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Balance, beginning of period	$ 41,912	$ 31,602	$ 44,149	$ 16,642
Provision for loan losses	(6,000)	11,100	(8,200)	27,300
Loan charge-offs	(243)	(1,064)	(658)	(2,413)
Loan recoveries	406	581	784	690
Net loan recoveries (charge-offs)	163	(483)	126	(1,723)
Balance, end of period	$ 36,075	$ 42,219	$ 36,075	$ 42,219
Net charge-offs (recoveries) to average loans (annualized)	(0.03%)	0.09%	(0.01%)	0.11%
Allowance for loan losses to gross loans	1.51%	2.03%
Allowance for loan losses to nonperforming loans	259.95%	482.43%
Commercial Loan [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Balance, beginning of period			$ 29,165
Balance, end of period	$ 24,125		24,125
Commercial Loan [Member] | Owner Occupied Re [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Balance, beginning of period	7,099	$ 5,800	8,145	$ 2,835
Provision for loan losses	(1,159)	2,105	(2,299)	5,070
Loan charge-offs
Loan recoveries			94
Net loan recoveries (charge-offs)			94
Balance, end of period	5,940	7,905	5,940	7,905
Commercial Loan [Member] | Non Owner Occupied Re [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Balance, beginning of period	13,223	8,791	12,049	4,304
Provision for loan losses	(1,558)	2,461	(509)	8,081
Loan charge-offs	(159)	(375)	(158)	(1,508)
Loan recoveries	129	554	253	554
Net loan recoveries (charge-offs)	(30)	179	95	(954)
Balance, end of period	11,635	11,431	11,635	11,431
Commercial Loan [Member] | Business Loan [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Balance, beginning of period	6,722	5,841	7,845	3,692
Provision for loan losses	(1,246)	2,274	(2,256)	4,562
Loan charge-offs	(84)	(564)	(353)	(735)
Loan recoveries	58	14	214	46
Net loan recoveries (charge-offs)	(26)	(550)	(139)	(689)
Balance, end of period	5,450	7,565	5,450	7,565
Commercial Loan [Member] | Construction Loans [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Balance, beginning of period	951	977	1,154	541
Provision for loan losses	149	217	(54)	653
Loan charge-offs
Loan recoveries
Net loan recoveries (charge-offs)
Balance, end of period	1,100	1,194	1,100	1,194
Consumer Loan [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Balance, beginning of period			14,984
Balance, end of period	11,950		11,950
Consumer Loan [Member] | Other Consumer [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Balance, beginning of period	574	399	507	277
Provision for loan losses	(91)	170	(17)	337
Loan charge-offs		(25)	(8)	(70)
Loan recoveries	8	11	9	11
Net loan recoveries (charge-offs)	8	(14)	1	(59)
Balance, end of period	491	555	491	555
Consumer Loan [Member] | Construction Loans [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Balance, beginning of period	753	615	747	268
Provision for loan losses	(28)	87	(22)	434
Loan charge-offs
Loan recoveries
Net loan recoveries (charge-offs)
Balance, end of period	725	702	725	702
Consumer Loan [Member] | Real Estate Loan [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Balance, beginning of period	10,028	6,538	10,453	3,278
Provision for loan losses	(1,469)	2,936	(1,894)	6,187
Loan charge-offs
Loan recoveries	18	2	18	11
Net loan recoveries (charge-offs)	18	2	18	11
Balance, end of period	8,577	9,476	8,577	9,476
Consumer Loan [Member] | Home Equity Loan [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Balance, beginning of period	2,562	2,641	3,249	1,447
Provision for loan losses	(598)	850	(1,149)	1,976
Loan charge-offs		(100)	(139)	(100)
Loan recoveries	193		196	68
Net loan recoveries (charge-offs)	193	(100)	57	(32)
Balance, end of period	$ 2,157	$ 3,391	$ 2,157	$ 3,391