Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Revenue Recognition [Abstract]
Adjustments necessary to record rent on straight line basis	$ 3,136	$ 3,087	$ 9,359	$ 9,208
Straight line rent receivables	2,985		2,985		$ 2,691
TA
Related Party Transaction [Line Items]
Straight line rent receivable, due from related persons	63,285		63,285		$ 54,219
Deferred percentage rent	$ 978	$ 435	$ 2,762	$ 1,384