Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Operating activities
Net loss	$ (295,776)	$ (206,561)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation of long-lived assets	16,606	9,789
Amortization of intangible assets	4,725	4,959
Lower of cost or net realizable value inventory adjustment and provision for excess and obsolete inventory	39,675	2,009
Stock-based compensation	13,704	43,302
Loss on extinguishment of convertible senior notes	14,047
(Recoveries)/provision for losses on accounts receivable	(1,447)	237
Amortization of debt issuance costs and discount on convertible senior notes	330	621
Provision for common stock warrants	4,495	14,175
Deferred income tax expense/(benefit)	163	(947)
Impairment	284	1,083
Loss on service contracts	3,809	221
Fair value adjustment to contingent consideration	(9,200)	8,769
Net realized loss on investments		1
Accretion of premium on available-for-sale securities		(5,945)
Lease origination costs	(1,331)	(2,660)
Change in fair value for equity securities		(5,075)
Loss on equity method investments	13,113	5,317
Changes in operating assets and liabilities that provide (use) cash:
Accounts receivable	96,436	1,493
Inventory	(38,312)	(131,581)
Contract assets	1,356	(14,677)
Prepaid expenses and other assets	(14,496)	(5,522)
Accounts payable, accrued expenses, and other liabilities	25,755	13,821
Payments of contingent consideration	(9,164)
Deferred revenue and other contract liabilities	(32,500)	(9,748)
Net cash used in operating activities	(167,728)	(276,919)
Investing activities
Purchases of property, plant and equipment	(92,621)	(168,565)
Purchases of equipment related to power purchase agreements and equipment related to fuel delivered to customers	(6,072)	(11,389)
Proceeds from maturities of available-for-sale securities		315,827
Cash paid for non-consolidated entities and non-marketable equity securities	(21,891)	(40,077)
Net cash (used in)/provided by investing activities	(120,584)	95,796
Financing activities
Payments of contingent consideration	(836)	(2,000)
Proceeds from public and private offerings, net of transaction costs	305,346
Payments of tax withholding on behalf of employees for net stock settlement of stock-based compensation	(278)	(2,590)
Proceeds from exercise of stock options	41	674
Principal payments on long-term debt	(300)	(330)
Proceeds from finance obligations		27,927
Principal repayments of finance obligations and finance leases	(20,908)	(16,500)
Net cash provided by financing activities	283,065	7,181
Effect of exchange rate changes on cash	4,187	(2,096)
Increase/(decrease) in cash and cash equivalents	37,840	(215,769)
(Decrease)/increase in restricted cash	(38,900)	39,731
Cash, cash equivalents, and restricted cash beginning of period	1,169,144	1,549,344	$ 1,549,344
Cash, cash equivalents, and restricted cash end of period	1,168,084	1,373,306	$ 1,169,144
Supplemental disclosure of cash flow information
Cash paid for interest, net of capitalized interest of $2.1 million and $2.0 million	9,111	7,869
Summary of non-cash activity
Recognition of right of use asset - finance leases		4,018
Recognition of right of use asset - operating leases	2,913	22,470
Accrued debt extinguishment costs, cash to be paid in subsequent period	1,245
Net transfers between inventory and long-lived assets	16,008	441
Accrued purchase of fixed assets, cash to be paid in subsequent period	$ 113,449	$ 65,701