Leases - Components of Lease (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Components of lease expense
Operating Lease Cost	$ 10,316	$ 17,574
Amortization of ROU assets	174	283
Interest on lease liabilities	16	27
Total	$ 190	$ 310