Income Taxes - Net Deferred Tax Asset (Liability) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred tax assets:
Net operating loss and capital loss carryforward - 382 limited	$ 45,606	$ 57,158
Net operating loss carryforward - not 382 limited	73,003	60,414
State net operating loss carryforward, net	4,361	2,844
Capital loss carryforward - not 382 limited	0	48,071
Company basis difference	22,984	20,150
Reserves and accruals	3,703	3,293
Equity-based compensation expense	14,057	16,105
AMT and other credits	81	81
Other, net	2,085	2,405
Total deferred tax assets	165,880	210,521
Valuation allowance	(147,197)	(187,757)
Total deferred tax assets, net of valuation allowance	18,683	22,764
Deferred tax liabilities:
Intangible assets	(17,921)	(20,130)
Total deferred tax liabilities	(17,921)	(20,130)
Total net deferred tax assets	$ 762	$ 2,634