Mortgage Notes Payable, Net, Mezzanine Notes Payable and Outside Members’ Notes Payable Schedule Of Aggregate Principal Payments On Mortgage Notes (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Mortgage Notes Payable [Abstract]
2018	$ 18,633
2019	19,670
2020	20,766
2021	40,182
2022	614,710
Thereafter	2,300,000
Total	3,013,961
Deferred finance costs, net	(34,680)
Total carrying value of mortgage notes payable, net	$ 2,979,281	$ 2,063,087