Receivables and Other Assets - Amortization (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Receivables and Other Assets [Abstract]
Amortization expense related to deferred leasing costs	$ 2,389	$ 1,949	$ 6,398	$ 5,978
Interest expense related to deferred financing costs	$ 431	$ 431	$ 1,293	$ 1,293