Loans (Narrative) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) loan	Mar. 31, 2020 loan	Dec. 31, 2020 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan review aggregate exposure amount on non-homogenous commercial loan relationships	$ 5,000
Troubled debt restructurings included in impaired loans	24,300		$ 24,500
Commitments to Lend Funds for Restructured Loans	0
Financing Receivable, Troubled Debt Restructuring, Individually Evaluated for Impairment, Minimum	$ 500
Number of days past due to be considered in default	30 days
Document Period End Date	Mar. 31, 2021
Financing Receivable, Modifications, Number of Contracts | loan	0	1
Loans Collectively Evaluated Fully Guaranteed or Cash Secured Loans	$ 69,400		83,900
Accrued Interest and Fees Receivable on Loans	$ 8,000		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	16
Outstanding Balance of COVID-19 Loans in Deferment	$ 33,900
Current Troubled Debt Restructurings	$ 20,300		$ 20,500