Receivables and Other Assets - Amortization (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Receivables and Other Assets [Abstract]
Amortization expense related to deferred leasing costs	$ 2,113	$ 1,874	$ 4,009	$ 4,028
Interest expense related to deferred financing costs	$ 431	$ 431	$ 862	$ 862