Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Income (loss) from continuing operations before income taxes, equity in non-consolidated affiliates and noncontrolling interest	$ (49,716)	$ (17,416)	$ 15,109
Statutory income tax rate	26.50%	26.50%	26.50%
Tax expense (benefit) using statutory income tax rate	$ (13,175)	$ (4,615)	$ 4,004
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	(94)	3,524	1,459
Non-deductible stock-based compensation	4,060	3,354	1,982
Other non-deductible expense	(1,170)	(2,102)	2,151
Change to valuation allowance on items affecting taxable income	8,707	5,468	2,003
Effect of the difference in federal and statutory rates	(4,579)	1,906	2,222
Noncontrolling interests	(1,287)	(2,399)	(1,826)
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	237	528	427
Income tax provision (benefit)	$ (7,301)	$ 5,664	$ 12,422
Effective income tax rate	14.70%	(32.50%)	82.20%