Income Taxes Effective Income Tax Rate Reconciliation (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Statutory rate	35.00%	35.00%	35.00%
State and local income taxes, net of federal income tax benefit	9.20%	(1.10%)	0.60%
Non deductible expenses	21.30%	(1.40%)	(2.20%)
Tax credits	0.00%	0.40%	0.50%
Other	(1.10%)	1.20%	0.10%
Valuation allowance	1.00%	(35.70%)	(22.90%)
Effective income tax rate	65.40%	(1.60%)	11.10%