Leases - Details of Rent 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]
Fixed rent expense	$ 337	$ 358	$ 719	$ 721
Variable rent expense	0	0	0	0
Total rent expense	$ 337	$ 358	$ 719	$ 721