Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Operating activities
Net loss	$ (156,489)	$ (60,746)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation of long-lived assets	2,842	5,514
Amortization of intangible assets	5,190	364
Stock-based compensation	43,386	9,695
Amortization of debt issuance costs and discount on convertible senior notes	661	1,092
Provision for common stock warrants	1,852	1,705
Deferred income tax expense	(414)
Benefit on service contracts	(7,297)	(361)
Fair value adjustment to contingent consideration	(2,461)	(790)
Net realized loss on investments	847
Amortization of premium on available-for-sale securities	2,290
Lease origination costs	(1,613)
Change in fair value for equity securities	5,159
Loss on equity method investments	3,833
Changes in operating assets and liabilities that provide (use) cash:
Accounts receivable	36,170	109
Inventory	(63,702)	(46,791)
Contract assets	44
Prepaid expenses and other assets	(27,107)	(4,641)
Accounts payable, accrued expenses, and other liabilities	(25,096)	(23,516)
Deferred revenue and other contract liabilities	(28,014)	1,267
Net cash used in operating activities	(209,919)	(117,099)
Investing activities
Purchases of property, plant and equipment	(78,394)	(9,879)
Purchases of equipment related to power purchase agreements and equipment related to fuel delivered to customers	(6,796)	(3,332)
Purchase of available-for-sale securities	(114,173)	(405,168)
Proceeds from sales of available-for-sale securities	469,563
Proceeds from maturities of available-for-sale securities	67,430
Purchase of equity securities	(4,990)
Net cash paid for acquisitions	(26,473)
Cash paid for non-consolidated entities and non-marketable equity securities	(32,253)
Net cash provided by (used in) investing activities	273,914	(418,379)
Financing activities
Proceeds from exercise of warrants, net of transaction costs		15,445
Payments of contingent consideration	(2,667)
Proceeds from public and private offerings, net of transaction costs		3,587,825
Payments of tax withholding on behalf of employees for net stock settlement of stock-based compensation	(1,465)
Proceeds from exercise of stock options	291	4,709
Principal payments on long-term debt	(19,246)	(14,461)
Proceeds from finance obligations	17,273	10,661
Principal repayments of finance obligations and finance leases	(12,427)	(9,806)
Net cash (used in) provided by financing activities	(18,241)	3,594,373
Effect of exchange rate changes on cash	634	(51)
Increase in cash and cash equivalents	14,345	3,036,663
Increase in restricted cash	32,043	22,181
Cash, cash equivalents, and restricted cash beginning of period	3,132,194	1,634,284	$ 1,634,284
Cash, cash equivalents, and restricted cash end of period	3,178,582	4,693,128	$ 3,132,194
Supplemental disclosure of cash flow information
Cash paid for interest, net capitalized interest of $4.3 million	5,731	2,608
Summary of non-cash activity
Recognition of right of use asset - finance leases	8,070	5,292
Recognition of right of use asset - operating leases	20,070	12,720
Net tangible assets (liabilities) acquired (assumed) in a business combination	56,929
Intangible assets acquired in a business combination	60,522
Conversion of convertible senior notes to common stock		$ 15,345
Net transfers between inventory and long-lived assets	489
Accrued purchase of fixed assets, cash to be paid in subsequent period	$ 6,707