Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Leases [Abstract]
Operating lease costs	$ 230	$ 1,798	$ 503	$ 3,568
Amortization of assets	273	254	515	498
Interest on lease liabilities	1,040	24	2,077	51
Variable Lease, Cost	46	35	95	71
Total net lease cost	$ 1,589	$ 2,111	$ 3,190	$ 4,188