Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 1,337,586	$ 310,815
Accounts receivable, net	1,599	1,144
Prepaid expenses and other current assets	13,995	3,816
Amounts due from related parties	0	3,708
Total current assets	1,353,180	319,483
Property and equipment, net	36,053	22,116
Other assets	7,090	4,986
Total assets	1,396,323	346,585
Current liabilities:
Accounts payable	4,544	4,542
Amounts due to related parties	0	4,360
Amounts due to joint development partners	7,394	1,355
Accrued expenses and other current liabilities	41,698	22,961
Short-term debt	1,524	4,623
Warrants liability	0	42,452
Capital lease liabilities, current	766	805
Total current liabilities	55,926	81,098
Capital lease liabilities, noncurrent	2,872	3,767
Long-term debt	5,543	1,807
Other liabilities	5,004	595
Total liabilities	69,345	87,267
Commitments and contingencies (Note 7)
Redeemable convertible preferred stock, $0.0001 par value; 138,102,770 and zero shares authorized as of December 31, 2020 and 2021, respectively; 102,074,703 and zero shares issued and outstanding as of December 31, 2020 and 2021, respectively; aggregate liquidation preference of $598,842 and $0 as of December 31, 2020 and 2021, respectively	0	664,791
Stockholders’ equity (deficit):
Common Stock, $0.0001 par value, 361,897,230 and 4,876,000,000 Class A shares authorized as of December 31, 2020 and 2021, respectively; 60,543,337 and 197,833,195 Class A shares issued and outstanding as of December 31, 2020 and 2021, respectively; zero and 24,000,000 Class B shares authorized as of December 31, 2020 and 2021; zero and 24,000,000 Class B shares issued and outstanding as of December 31, 2020 and 2021, respectively	22	6
Additional paid-in capital	2,464,730	0
Accumulated deficit	(1,137,851)	(405,178)
Accumulated other comprehensive income (loss)	77	(301)
Total stockholders’ equity (deficit)	1,326,978	(405,473)
Total liabilities, redeemable convertible preferred stock and stockholders’ equity (deficit)	$ 1,396,323	$ 346,585