Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reconciliation of the expected statutory federal income tax provision
Federal statutory rate	35.00%	35.00%	(35.00%)
State and local taxes	4.30%	1.00%	(4.40%)
State tax rate adjustment		(3.30%)
Stock compensation	(2.00%)
Permanent items	1.50%	0.40%	3.60%
Valuation allowance	(3.60%)	(180.50%)	77.30%
Minority interest	0.10%	0.20%	1.20%
Change in tax status		18.20%	(28.00%)
Non-taxable gain on fair value adjustment		(27.90%)
Credits	(1.80%)	(1.00%)	(1.10%)
Other	1.30%	1.90%	0.50%
Provision (benefit) for income taxes	34.80%	(156.00%)	14.10%