Summary of Significant Accounting Policies (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Summary of Significant Accounting Policies [Line Items]
Effective tax rate	17.00%	(13.00%)	14.00%	2.00%
Minimum [Member]
Summary of Significant Accounting Policies [Line Items]
Vesting period of equity awards			2 years
Useful life of patents and patent rights			1 year
Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Vesting period of equity awards			4 years
Useful life of patents and patent rights			8 years