Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents	$ 1,196,908	$ 1,905,713
Restricted cash and marketable securities	22,628	17,947
Accounts receivable	168,965	226,604
Inventory	1,277,838	953,675
Prepaid expenses and other current assets	125,229	76,134
Total current assets	2,791,568	3,180,073
Operating lease vehicles, net	1,791,403	766,744
Property, plant and equipment, net	3,403,334	1,829,267
Restricted cash	31,522	11,374
Other assets	74,633	43,209
Total assets	8,092,460	5,830,667
Current liabilities
Accounts payable	916,148	777,946
Accrued liabilities	422,798	268,883
Deferred revenue	423,961	191,651
Resale value guarantees	136,831
Customer deposits	283,370	257,587
Long-term debt and capital leases	633,166	611,099
Total current liabilities	2,816,274	2,107,166
Deferred revenue	446,105	292,271
Long-term debt and capital leases	2,040,375	1,818,785
Resale value guarantee	1,293,741	487,879
Other long-term liabilities	364,976	154,660
Total liabilities	6,961,471	4,860,761
Convertible senior notes (Notes 8)	$ 42,045	$ 58,196
Stockholders' equity:
Preferred stock; $0.001 par value; 100,000 shares authorized; no shares issued and outstanding
Common stock; $0.001 par value; 2,000,000 shares authorized as of December 31, 2015 and 2014, respectively; 131,425 and 125,688 shares issued and outstanding as of December 31, 2015 and 2014, respectively	$ 131	$ 126
Additional paid-in capital	3,414,692	2,345,266
Accumulated other comprehensive loss	(3,556)	(22)
Accumulated deficit	(2,322,323)	(1,433,660)
Total stockholders' equity	1,088,944	911,710
Total liabilities and stockholders' equity	$ 8,092,460	$ 5,830,667