Lease Accounting - Components of Lease Expense (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Lessee, Lease, Description [Line Items]
Fixed	$ 2,497	$ 2,667
Variable	22	47
Total	2,519	2,714
Property Operating Expense
Lessee, Lease, Description [Line Items]
Fixed	1,824	1,990
Variable	0	0
Total	1,824	1,990
General and Administrative Expense
Lessee, Lease, Description [Line Items]
Fixed	673	677
Variable	22	47
Total	$ 695	$ 724