Leases Assets and Liabilities, Lessee (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Leases [Abstract]
Operating Lease, Right-of-Use Asset	$ 47,802	$ 34,465	[1]
Operating Lease, Liability, Current	8,456	7,362
Operating Lease, Liability, Noncurrent	42,512	28,896
Operating Lease, Liability	$ 50,968	$ 36,258
Operating Lease, Weighted Average Remaining Lease Term	6 years 9 months 18 days	6 years
Operating Lease, Weighted Average Discount Rate, Percent	5.03%	5.57%
Finance Lease, Right-of-Use Asset	$ 2,729
Finance Lease, Liability, Current	473
Finance Lease, Liability, Noncurrent	2,274	$ 0
Finance Lease, Liability	$ 2,747
Finance Lease, Weighted Average Remaining Lease Term	7 years
Finance Lease, Weighted Average Discount Rate, Percent	4.27%

[1] December 31, 2019 balances were derived from audited consolidated financial statements.