Loans (Narrative) (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($) contract loan	Jun. 30, 2020 contract	Jun. 30, 2021 USD ($) contract loan	Jun. 30, 2020 contract	Dec. 31, 2020 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan review aggregate exposure amount on non-homogenous commercial loan relationships	$ 5,000		$ 5,000
Troubled debt restructurings included in impaired loans	22,000		22,000		$ 24,500
Commitments to Lend Funds for Restructured Loans	0		0
Financing Receivable, Troubled Debt Restructuring, Individually Evaluated for Impairment, Minimum	$ 500		$ 500
Number of days past due to be considered in default			30 days
Document Period End Date			Jun. 30, 2021
Financing Receivable, Modifications, Number of Contracts | contract	0	0	0	1
Loans Collectively Evaluated Fully Guaranteed or Cash Secured Loans	$ 47,800		$ 47,800		83,900
Accrued Interest and Fees Receivable on Loans	$ 7,400		$ 7,400		9,100
Number of Days Loan Customer May Apply for a Deferral of Payments Due to COVID-19			90 days
Number of Loans in COVID-19 Deferment | loan	3		3
Outstanding Balance of COVID-19 Loans in Deferment	$ 8,700		$ 8,700
Current Troubled Debt Restructurings	$ 19,600		$ 19,600		$ 20,500