Income Taxes (Details 1)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Federal statutory rate	35.00%	35.00%	35.00%
State taxes, net of federal benefit	1.70%	4.10%	2.70%
Impairment, non-deductible portion	(6.60%)	20.00%
Share-based compensation deficit	(9.00%)	3.70%
Non-deductible items	(3.90%)	3.00%	0.70%
Other	1.40%	(5.70%)	(0.10%)
Total effective tax rate	18.60%	60.10%	38.30%