Income Taxes - Reconciliation of the Provision for Income Taxes - Tabular Disclosure (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Provision calculated at federal statutory income tax rate:
Net income before taxes	$ (11,858)	$ 251,838	$ 22,334
Statutory rate (as a percent)	35.00%	35.00%	35.00%
Income tax expense computed at statutory rate	$ (4,150)	$ 88,144	$ 7,817
Less: Noncontrolling interests	2,911	(65,759)	(9,009)
Income tax expense (benefit) attributable to controlling interests	(1,239)	22,385	(1,192)
State and local income taxes, net of federal benefit	(1,011)	626	(49)
Reduction of TRA liability	(694)
Equity compensation, shortfall	338
Change in enacted rate	(650)
Change in valuation allowance	2,333
Other	(237)	(192)	18
Tax expense (benefit) attributable to controlling interests	(1,160)	22,819	(1,223)
Tax expense attributable to non-controlling interests	(1,621)	3,399	1,152
Total income tax provision (benefit)	$ (2,781)	$ 26,218	$ (71)