Income Taxes - Schedule of Reconciliation of the Beginning and Ending Amount of Reserve for Uncertain Tax Positions(Excluding Interest and Penalties) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reconciliation of reserve for uncertain tax positions, Excluding Amounts Pertaining to Examined Tax Returns
Beginning Balance	$ 56,957	$ 57,087	$ 17,858
Additions based on tax positions related to current year	152,983	1,195	49,289
Additions for tax positions of prior years	50,688	93	0
Reductions for tax positions of prior years	(1,327)	(1,418)	(790)
Lapse of statute of limitations	0	0	(9,270)
Ending Balance	$ 259,301	$ 56,957	$ 57,087