Leases - Components of Leases Expense (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Fixed	$ 5,325
Variable	112
Total	5,437
Operating Expense
Lessee, Lease, Description [Line Items]
Fixed	3,982
Variable	0
Total	3,982
General and Administrative Expense
Lessee, Lease, Description [Line Items]
Fixed	1,343
Variable	112
Total	$ 1,455