Leases Lease Cash Flows Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases Cash Flows [Abstract]
Operating Lease, Payments	$ 1,956	$ 2,230
Finance Lease, Interest Expense		5
Finance Lease, Right-of-Use Asset, Amortization		$ 650