CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Operating Activities
Net loss	$ (21,156)	$ (15,700)	$ (61,033)	$ (47,738)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation			12,485	12,752
Depreciation and amortization	3,494	4,994	12,222	14,323
Amortization of marketable securities discount				(102)
Other noncash expense			1,847	655
Changes in operating assets and liabilities, net of effects of acquisition:
Accounts receivable			1,417	(1,766)
Inventories			(1,542)	1,137
Prepaid expenses and other current assets, deposits and other assets			(10,750)	(816)
Accounts payable, accrued expenses and non-current liabilities			6,814	427
Net cash used in operating activities			(38,540)	(21,128)
Investing Activities
Acquisitions of property, plant and equipment			(36,459)	(61,413)
Proceeds from sale of investment tax credit			15,336
Payment of earnest money deposit			(10,000)
Acquisition of CultivateAI, net			(6,070)
Proceeds from maturity of marketable securities				168,550
Proceeds from sale of property, plant and equipment				34
Net cash (used in) provided by investing activities			(37,193)	107,171
Financing Activities
Proceeds from issuance of Remarketed Bonds			68,155
Extinguishment of 2021 Bonds			(68,155)
Payment of debt offering costs			(1,665)
Proceeds from the exercise of warrants			49
Payment of loans payable			(89)	(128)
Payment of finance lease liabilities			(578)	(22)
Repurchases of common stock			(4,710)
Net cash used in financing activities			(6,993)	(150)
Net (decrease) increase in cash and cash equivalents			(82,726)	85,893
Cash, cash equivalents and restricted cash at beginning of period			375,597	315,376
Cash, cash equivalents and restricted cash at end of period	292,871	401,269	292,871	401,269
Schedule of cash, cash equivalents and restricted cash
Cash and cash equivalents	223,227	323,510	223,227	323,510
Restricted cash (current)	1,489	77,759	1,489	77,759
Restricted cash (non-current)	68,155		68,155
Total cash, cash equivalents and restricted cash	$ 292,871	$ 401,269	292,871	401,269
Supplemental disclosures of cash and non-cash investing and financing transactions
Cash paid for interest			1,556	1,028
Non-cash purchase of property, plant and equipment			5,600	15,593
Right-of-use asset purchased with financing leases			2,731	0
Right-of-use asset purchased with operating lease			$ 32	$ 199