Redeemable Noncontrolling Interests and Equity - Schedule of Changes in Redeemable Noncontrolling Interest,Total Stockholders' Equity and Noncontrolling Interests (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($)
Minority Interest [Line Items]
Balance at beginning of period	$ 137,907
Balance at end of period	142,012
Balance at beginning of period	924,186
Exercise of stock options	101
Issuance of restricted stock units, net of tax withholdings	(1,168)
Stock based compensation	5,887
Contributions from noncontrolling interests	130,144
Distributions to noncontrolling interests	(9,547)
Cumulative effect of adoption of new ASUs	2,996
Net income (loss) including portion attributable to noncontrolling interest	(45,864)
Other comprehensive loss, net of taxes	(201)
Balance at end of period	1,006,534
Redeemable Non Controlling Interests
Minority Interest [Line Items]
Balance at beginning of period	137,907
Contributions from redeemable noncontrolling interests	35,168
Distributions to redeemable noncontrolling interests	(3,843)
Net income (loss) attributable to redeemable noncontrolling interests	(27,220)
Balance at end of period	142,012
Total Stockholders' Equity
Minority Interest [Line Items]
Balance at beginning of period	672,961
Exercise of stock options	101
Issuance of restricted stock units, net of tax withholdings	(1,168)
Stock based compensation	5,887
Cumulative effect of adoption of new ASUs	2,996
Net income (loss) including portion attributable to noncontrolling interest	12,727
Other comprehensive loss, net of taxes	(201)
Balance at end of period	693,303
Noncontrolling Interests
Minority Interest [Line Items]
Balance at beginning of period	251,225
Contributions from noncontrolling interests	130,144
Distributions to noncontrolling interests	(9,547)
Net income (loss) including portion attributable to noncontrolling interest	(58,591)
Balance at end of period	$ 313,231