Leases (Information Related to Leases) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Lease information:
Operating lease cost	$ 846	$ 1,023
Operating cash flows from operating leases	$ 860	$ 1,042
Weighted average remaining lease term in years	5 years 8 months 26 days	5 years 7 months 20 days
Weighted average discount rate	5.50%	5.50%
Financing lease cost	$ 393
Operating cash flows from financing leases	$ 303
Weighted average remaining lease term in years	4 years	0 years
Weighted average discount rate	6.40%