Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Increase to net cash provided by operating activities	[1]	$ 162,862	$ 77,128
Decrease in net cash provided by financing activities	[1]	$ (18,518)	(6,436)
New Accounting Pronouncement, Early Adoption, Effect | Accounting Standards Update 2016-09, Excess Tax Benefit
Increase to net cash provided by operating activities			6,000
Decrease in net cash provided by financing activities			$ 6,000

[1] During the three months ended March 31, 2017, we adopted Accounting Standards Update 2016-09, "Compensation-Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting." Refer to Note 1 Recently Adopted Accounting Pronouncements for further details. This adoption resulted in a $6.0 million increase in net cash provided by operating activities and a corresponding $6.0 million decrease in net cash provided by financing activities for the three months ended March 31, 2016.