COMBINED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid in Capital [Member]	Earnings (Less than) In Excess of Distributions [Member]	Accumulated Other Comprehensive Loss [Member]	Predecessor Shareholders' Equity [Member]	Noncontrolling Interest [Member] Consolidated Joint Ventures and Funds [Member]	Noncontrolling Interest [Member] Operating Partnership [Member]
Beginning balance (Predecessor [Member]) at Dec. 31, 2013	$ 2,025,444					$ 321,769	$ 1,703,675
Net income (loss) | Predecessor [Member]	62,707					9,574	53,133
Contributions | Predecessor [Member]	90,057					1,253	88,804
Distributions | Predecessor [Member]	(24,506)					(22,323)	(2,183)
Ending balance (Predecessor [Member]) at Jun. 30, 2014	$ 2,153,702					$ 310,273	1,843,429
Common stock, shares outstanding at Dec. 31, 2014	212,106,718	212,107,000
Net income (loss)	$ (8,279)			$ (14,440)			9,672	$ (3,511)
Common stock, shares outstanding at Jun. 30, 2015	212,111,937	212,112,000
Beginning balance at Dec. 31, 2014	$ 5,554,953	$ 2,122	$ 3,851,432	57,308			685,888	958,203
Common shares issued under Omnibus share plan		5,000
Common units issued under Omnibus share plan			(2,131)					2,131
Dividends and distributions	(60,392)			(48,573)				(11,819)
Contributions from noncontrolling interests	14,031						14,031
Distributions to noncontrolling interests	(5,673)						(5,673)
Pro rata share of other comprehensive loss of unconsolidated joint ventures	(613)				$ (493)			(120)
Adjustments to noncontrolling interests			43,981					(43,981)
Amortization of equity awards	4,665		885					3,780
Other	(871)		(411)	(138)			(322)
Ending balance at Jun. 30, 2015	$ 5,497,821	$ 2,122	$ 3,893,756	$ (5,843)	$ (493)		$ 703,596	$ 904,683