Lease Accounting - Components of Lease Expense (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Lessee, Lease, Description [Line Items]
Fixed	$ 2,667	$ 2,663
Variable	47	57
Total	2,714	2,720
Property Operating Expense
Lessee, Lease, Description [Line Items]
Fixed	1,990	1,992
Variable	0	0
Total	1,990	1,992
General and Administrative Expense
Lessee, Lease, Description [Line Items]
Fixed	677	671
Variable	47	57
Total	$ 724	$ 728