Leases Lease Cost Additional (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating Lease, Cost	[1]	$ 2,029	$ 2,577
Finance Lease, Right-of-Use Asset, Amortization			650
Finance Lease, Interest Expense			5
Lease, Cost		$ 2,029	$ 3,232

[1] 1) Includes short-term leases and variable lease costs, which are immaterial