Lease Accounting - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Lessee, Lease, Description [Line Items]
Fixed	$ 1,336	$ 1,297
Variable	26	18
Total	1,362	1,315
Property Operating Expense
Lessee, Lease, Description [Line Items]
Fixed	995	997
Variable	0	0
Total	995	997
General and Administrative Expense
Lessee, Lease, Description [Line Items]
Fixed	341	300
Variable	26	18
Total	$ 367	$ 318