Income Taxes - Schedule of Deferred Tax Assets (Liabilities) (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred tax assets:
Net operating loss carry-forwards	$ 648,652	$ 404,377
Research and development credits	208,499	73,068
Other tax credits	106,530	30,079
Deferred revenue	268,434	162,272
Inventory and warranty reserves	95,570	53,410
Depreciation and amortization		66
Stock-based compensation	120,955	71,009
Financial Instruments		35,073
Investment in certain financing funds	237,759
Accruals and others	67,769	29,547
Total deferred tax assets	1,754,168	858,901
Valuation allowance	(1,022,705)	(668,432)
Deferred tax assets, net of valuation allowance	731,463	190,469
Deferred tax liabilities:
Depreciation and amortization	(679,969)	(188,240)
Other	(3,779)	(4,309)
Financial Instruments	(22,033)
Total deferred tax liabilities	(705,781)	(192,549)
Deferred tax liability, net of valuation allowance and deferred tax liabilities		$ (2,080)
Deferred tax assets, net of valuation allowance and deferred tax liabilities	$ 25,682