CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities
Net loss	$ (152,941)	$ (120,224)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	3,111	1,805
Stock-based compensation	53,528	50,266
Non-cash in-kind services	0	12,896
Equity in net loss of affiliates	2,820	794
Revaluation of warrant liability	434	(951)
Inventory write-downs	3,473	0
Other non-cash activity	(326)	1
Changes in operating assets and liabilities:
Accounts receivable, net	(1,339)	0
Inventory	(22,404)	0
Prepaid expenses and other current assets	(14,710)	(1,758)
Accounts payable, accrued expenses and other current liabilities	(2,131)	2,083
Long-term deposits	0	(4,161)
Other assets	(304)	0
Operating lease liabilities	(77)	0
Other long-term liabilities	(457)	0
Net cash used in operating activities	(131,323)	(59,249)
Cash flows from investing activities
Purchases and deposits of property, plant and equipment	(30,106)	(24,521)
Investments in affiliates	(3,348)	0
Net cash used in investing activities	(33,454)	(24,521)
Cash flows from financing activities
Proceeds from the exercise of stock options	308	2,626
Proceeds from issuance of common stock	27,376	0
Payments on finance lease liabilities	(30)	(258)
Payment of note payable	0	(4,100)
Payments for issuance costs	0	(26)
Net cash provided by (used in) financing activities	27,654	(1,758)
Net decrease in cash and cash equivalents, including restricted cash	(137,123)	(85,528)
Cash and cash equivalents, including restricted cash, beginning of period	522,241	849,278
Cash and cash equivalents, including restricted cash, end of period	385,118	763,750
Supplementary cash flow disclosures:
Cash paid for interest	273	187
Cash interest received	85	259
Supplementary disclosures for noncash investing and financing activities:
Purchases of property, plant and equipment included in liabilities	21,294	27,108
Accrued deferred issuance costs	0	330
Leased assets obtained in exchange for new finance lease liabilities	$ 378	$ 0