Loans Loans (Restructured Loans Past Due in Excess of 90 Days) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) Item	Dec. 31, 2019 USD ($) Item	Dec. 31, 2018 USD ($) Item
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number Of restructured loans past due in excess of 90 days at period-end | Item	1	4	0
Dollar amount of loans previously restructured during the last year in excess of 90 days past due	$ 2,008	$ 3,340	$ 0
Restructured loans on non-accrual status at period end	8,552	5,576	0
Chare-offs of restrucured loans recognized in connection with restructuring	337	0	0
Charge-offs of restructured loans recognized on previously restructured loans	3,894	1,500	7,650
Proceeds from sale of restructured loans	$ 0	$ 0	$ 15,750