Leases (Components of Lease Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases
Operating lease cost	$ 3,620	$ 3,921
Operating cash flows from operating leases	$ 3,610	$ 3,842
Weighted average remaining lease term in years	5 years 11 months 26 days	5 years 11 months 1 day
Weighted average discount rate	5.50%	5.50%
Financing lease cost	$ 1,179
Operating cash flows from financing leases	$ 909
Weighted average remaining lease term in years	4 years 3 months	0 years
Weighted average discount rate	6.40%