Loans and Allowance for Credit Losses (Allowance for Credit Losses on Financing Receivables) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Allowance for credit losses allocated to:
Beginning balance	$ 13,944	$ 13,888
Charge-offs	(108)	(65)
Recoveries	274	65
Net (charge-offs) recoveries	166
Provision for credit losses	(600)	(425)
Ending balance	14,710	14,313
Commercial and Residential Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Allowance for credit losses allocated to:
Beginning balance	2,454	2,022
Recoveries	3	5
Net (charge-offs) recoveries	3	5
Provision for credit losses	(400)	(769)
Ending balance	2,857	2,796
Residential Portfolio Segment [Member]
Allowance for credit losses allocated to:
Beginning balance	2,858	3,699
Recoveries	46	6
Net (charge-offs) recoveries	46	6
Provision for credit losses	329	6
Ending balance	2,575	3,699
Commercial Real Estate Portfolio Segment [Member]
Allowance for credit losses allocated to:
Beginning balance	4,598	5,426
Recoveries	150
Net (charge-offs) recoveries	150
Provision for credit losses	248	329
Ending balance	4,500	5,097
Commercial Portfolio Segment [Member]
Allowance for credit losses allocated to:
Beginning balance	2,070	2,089
Charge-offs	(92)	(61)
Recoveries	68	52
Net (charge-offs) recoveries	(24)	(9)
Provision for credit losses	241	80
Ending balance	1,805	2,000
Consumer Portfolio Segment [Member]
Allowance for credit losses allocated to:
Beginning balance	1,964	652
Charge-offs	(16)	(4)
Recoveries	7	2
Net (charge-offs) recoveries	(9)	(2)
Provision for credit losses	(1,018)	(71)
Ending balance	$ 2,973	$ 721