Other Long-Term Liabilities - Schedule of Other Long-term Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Other Liabilities Noncurrent [Abstract]
Accrued warranty reserve, net of current portion	$ 367,989	$ 276,289
Build-to-suit lease liability, net of current portion	1,645,969	1,665,768
Deferred rent expense	53,658	46,820
Financing obligation, net of current portion	58,403	67,929
Liability for receipts from an investor		29,713
Sales return reserve	78,525
Other noncurrent liabilities	402,914	356,451
Total other long-term liabilities	$ 2,607,458	$ 2,442,970