Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current:
Federal	$ (29)	$ 10
State	665	120
Local	557	55
Total Current	1,193	185
Current State and Local Tax Expense (Benefit)		700
Deferred:
Federal	(68,103)	846
State	(2,691)	711
Local	21	26
Total Deferred	(70,773)	1,583
Income Tax Expense	$ (69,580)	$ 1,768	$ 0
Reconciliation of the expected statutory federal income tax provision
Federal statutory rate	35.00%	(35.00%)
State and local taxes	1.00%	(4.40%)
State tax rate adjustment	(3.30%)
Permanent items	0.40%	3.60%
Valuation allowance	(180.50%)	77.30%
Minority interest	0.20%	1.20%
Change in tax status	18.20%	(28.00%)
Non-taxable gain on fair value adjustment	(27.90%)
Other	0.90%	(0.60%)
Provision (benefit) for income taxes	(156.00%)	14.10%
State tax expense due to change in status from partnership to C corp.		$ 700
Deferred Tax Assets:
Loss and credit carryforwards	$ 50,100	43,505
Accrued expenses	7,134	6,431
Fixed assets	8,697	10,956
Investment in partnerships		5,845
Debt	11,611	23,826
Stock-based compensation	701	179
Other	599	35
Deferred tax assets	78,842	90,777
Deferred Tax Liabilities:
Identified intangibles	(145,053)	(146,715)
Investment in partnerships	(2,008)
Prepaid expenses	(1,906)	(2,042)
Other	(97)
Deferred tax liabilities	(149,064)	(148,757)
Valuation allowance	(8,575)	(89,067)
Net deferred tax liabilities	(78,797)	$ (147,047)
Alternative Minimum Tax credit carryforwards	600
Federal jobs credit carryforwards	800
Other	97
Recognition of the federal deferred tax assets during 2015 resulted in an income tax benefit	80,300
Federal
Deferred Tax Liabilities:
Net operating loss carryforwards	133,300
State
Deferred Tax Liabilities:
Net operating loss carryforwards	$ 40,000