Other Long-term Liabilities - Schedule of Other Long-term Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Other Liabilities Noncurrent [Abstract]
Accrued warranty reserve, net of current portion	$ 276,289	$ 149,858
Build-to-suit lease liability, net of current portion	1,665,768	1,323,293
Deferred rent expense	46,820	36,966
Financing obligation, net of current portion	67,929	84,360
Liability for receipts from an investor	29,713	76,828
Other noncurrent liabilities	356,451	220,144
Total long-term liabilities	$ 2,442,970	$ 1,891,449