Leases Assets and Liabilities, Lessee (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019		Mar. 31, 2019
Leases [Abstract]
Finance Lease, Right-of-Use Asset	$ 789
Operating Lease, Right-of-Use Asset	50,430	$ 34,465	[1]	$ 34,465
Operating Lease, Liability, Current	7,544	7,362		7,362
Operating Lease, Liability, Noncurrent	45,166			28,896
Operating Lease, Liability	$ 52,710			$ 36,258
Operating Lease, Weighted Average Remaining Lease Term	7 years 3 months 18 days			6 years
Operating Lease, Weighted Average Discount Rate, Percent	5.06%			5.57%
Finance Lease, Liability, Current	$ 188
Finance Lease, Liability, Noncurrent	601	$ 0
Finance Lease, Liability	$ 789
Finance Lease, Weighted Average Remaining Lease Term	4 years
Finance Lease, Weighted Average Discount Rate, Percent	4.32%

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