Leases Supplemental Cash Flow Lease Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating Lease, Payments	$ 10,185	$ 10,344
Finance Lease, Interest Payment on Liability	91	0
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	20,847	3,230
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	$ 3,062	$ 0