Summary of Significant Accounting Policies - Out of period adjustment (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net revenues	[1]	$ (845,486)	$ (761,653)	$ (660,206)
Operating expenses		451,476	384,867	403,894
Provision for income taxes		42,081	44,537	28,844
Net income		144,020	145,832	$ 64,295
Restatement Adjustment [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net revenues			1,700
Operating expenses			(700)
Provision for income taxes			500
Net income			$ 1,900
Out Of Period Correction [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Provision for income taxes		$ 1,800

[1] 2 Long-lived assets are attributed to countries based on entity that owns the assets.