Income Taxes - Reconciliation of Effective Tax Rate (Details)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Tax Disclosure [Abstract]
U.S. federal statutory tax rate	(35.00%)	(35.00%)
State income taxes, net of federal benefit	(1.20%)	(5.40%)
Non-U.S. income taxed at different rates	0.30%	23.60%
Non-deductible expenses	0.00%	(5.40%)
Domestic production activities deduction	(0.00%)	1.10%
Other	0.60%	0.00%
Effective income tax rate	(35.30%)	(21.10%)