CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 310,802	$ 422,841
Accounts receivable, net	12,691	11,936
Inventories	65,587	36,243
Current portion of vendor advances	16,784	27,500
Prepaid expenses and other current assets	19,647	13,384
Total current assets	425,511	511,904
Property and equipment, net	28,577	14,703
Non-current portion of vendor advances	12,168	12,782
Operating lease assets	22,981	24,083
Other non-current assets	7,400	8,493
Total assets	496,637	571,965
Current liabilities:
Accounts payable	3,518	5,798
Deferred revenue, current	15,572	13,071
Accrued purchase commitments, current	18,119	5,329
Accrued expenses and other current liabilities	24,998	25,631
Total current liabilities	62,207	49,829
Deferred revenue, non-current	6,954	5,476
Warrant liabilities	8,261	26,229
Accrued purchase commitments, non-current	1,410	14,200
Operating lease liabilities	30,422	27,690
Other non-current liabilities	694	850
Total liabilities	109,948	124,274
Commitments and contingencies (Note 14)
Stockholders' equity:
Additional paid-in capital	894,162	874,886
Accumulated deficit	(507,493)	(427,215)
Total stockholders' equity	386,689	447,691
Total liabilities and stockholders' equity	496,637	571,965
Class A Common Stock
Stockholders' equity:
Common stock	17	17
Class B Common Stock
Stockholders' equity:
Common stock	$ 3	$ 3