Net Gain on Change in Controls of Interests (Details 3) - USD ($)		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Revenues				$ 785,898,000	$ 713,917,000
Pro forma revenues				829,640,000	781,399,000
Earnings (loss) from continuing operations		$ (303,110,000)	$ (4,118,000)	(57,038,000)	(100,526,000)
Pro forma earnings (loss) from continuing operations				(356,077,000)	157,149,000
Net earnings (loss) attributable to common shareholders				(52,672,000)	(76,786,000)
Pro forma net earnings (loss) attributable to common shareholders				$ (351,711,000)	$ 180,889,000
Weighted average shares outstanding, Basic		255,417,396	198,893,584	230,778,223	198,328,900
Pro forma weighted average shares outstanding, Basic				230,778,223	198,328,900
Net earnings (loss) attributable to common shareholders, Basic				$ (0.23)	$ (0.39)
Pro forma net earnings (loss) attributable to common shareholders, Basic				$ (1.52)	$ 0.89
Weighted average shares outstanding, Diluted	[1]	255,417,396	199,643,879	230,778,223	198,328,900
Pro forma weighted average shares outstanding, Diluted				230,778,223	231,151,937
Net earnings (loss) attributable to common shareholders, Diluted				$ (0.23)	$ (0.39)
Pro forma net earnings (loss) attributable to common shareholders, Diluted				$ (1.52)	$ 0.82
Net Gain on Change in Control of Interests [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Pro forma adjustment to revenues	[2]			$ 0	$ 0
Pro forma adjustment to earnings (loss) from continuing operations	[2]			(283,828,000)	283,828,000
Pro forma adjustment to net earnings (loss) attributable to common shareholders	[2]			(283,828,000)	283,828,000
Other Pro Forma Adjustments [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Pro forma adjustment to revenues	[3]			43,742,000	67,482,000
Pro forma adjustment to earnings (loss) from continuing operations	[3]			(15,211,000)	(26,153,000)
Pro forma adjustment to net earnings (loss) attributable to common shareholders	[3]			$ (15,211,000)	$ (26,153,000)

[1] Incremental shares from dilutive options, restricted stock, performance shares and convertible units aggregating 17,959,278, 25,382,494 and 37,238,228, for the three and nine months ended September 30, 2015 and the nine months ended September 30, 2014, respectively, were not included in the computation of diluted EPS because their effect is anti-dilutive due to the loss from continuing operations. Incremental shares from restricted stock, Class A common units and convertible securities aggregating 36,120,026 for the three months ended September 30, 2014 were not included in the computation of diluted EPS because their effect is anti-dilutive. Weighted-average options, restricted stock and performance shares of 2,666,555 and 2,304,807 for the three and nine months ended September 30, 2015, respectively, and 3,240,497 and 3,470,348 for the three and nine months ended September 30, 2014, respectively, were not included in the computation of diluted EPS because their effect is anti-dilutive under the treasury stock method.

[2] Gain on change in control of interests of $463,643, net of tax of $179,815.

[3] Represents additional depreciation and amortization expense related to the increased basis of real estate and intangible assets, plus pro forma earnings of the 100% ownership interests, less actual equity in earnings related to the Company’s 51% prior ownership for the periods presented.