Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenues
Automotive	$ 1,181,852	$ 878,090	$ 2,207,916	$ 1,771,410
Services and other	88,165	76,886	209,149	123,446
Total revenues	1,270,017	954,976	2,417,065	1,894,856
Cost of revenues
Automotive	909,282	666,386	1,688,598	1,298,131
Services and other	85,959	75,220	201,223	123,282
Total cost of revenues	995,241	741,606	1,889,821	1,421,413
Gross profit	274,776	213,370	527,244	473,443
Operating expenses
Research and development	191,664	181,712	374,146	348,866
Selling, general and administrative	321,152	201,846	639,362	397,211
Total operating expenses	512,816	383,558	1,013,508	746,077
Loss from operations	(238,040)	(170,188)	(486,264)	(272,634)
Interest income	2,242	247	3,493	431
Interest expense	(46,368)	(24,352)	(86,993)	(50,926)
Other income (expense), net	(7,373)	13,233	1,804	(9,072)
Loss before income taxes	(289,539)	(181,060)	(567,960)	(332,201)
Provision for income taxes	3,649	3,167	7,495	6,207
Net loss	$ (293,188)	$ (184,227)	$ (575,455)	$ (338,408)
Net loss per share of common stock, basic and diluted	$ (2.09)	$ (1.45)	$ (4.22)	$ (2.68)
Weighted average shares used in computing net loss per share of common stock, basic and diluted	139,983	126,689	136,330	126,320