Leases Cash Flow, Operating Activities, Lessee (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Leases [Abstract]
Operating Lease, Payments	$ 4,706	$ 4,838
Finance Lease, Interest Payment on Liability	32	0
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	20,175	1,040
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	$ 2,815	$ 0