Leases (Supplemental Balance Sheet Information Related To Leases) (Details) - USD ($) $ in Thousands		Sep. 30, 2020	Dec. 31, 2019
Assets
Operating leased assets		$ 14,246	$ 20,088
Finance leased assets	[1]	1,189	859
Total leased assets		15,435	20,947
Liabilities
Current, Operating		5,262	6,515
Current, Finance		564	438
Noncurrent, Operating		9,000	14,474
Noncurrent, Finance		2,046	1,867
Total leased liabilities		16,872	23,294
Finance leases, net accumulated depreciation		$ 3,400	$ 3,400

[1] Finance leases are net of accumulated depreciation of $3.4 million and $3.4 million for September 30, 2020 and December 31, 2019, respectively.