Condensed Consolidated Statements of Operations € in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2021 USD ($) $ / shares shares	Jun. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2022 EUR (€) shares	Jun. 30, 2021 USD ($) $ / shares shares	Jun. 30, 2021 EUR (€) shares
Net revenue:
Net revenue	$ 151,267	$ 124,557	$ 292,070		$ 196,515
Cost of revenue:
Provision for loss contracts related to service	1,068	6,694	3,116		8,179
Total cost of revenue	183,732	164,855	359,885		248,984
Gross loss	(32,465)	(40,298)	(67,815)		(52,469)
Operating expenses:
Research and development	23,557	11,247	44,018		20,989
Selling, general and administrative	95,953	38,652	176,842		64,231
Change in fair value of contingent consideration	(5,066)	(560)	(2,605)		230
Total operating expenses	114,444	49,339	218,255		85,450
Operating loss	(146,909)	(89,637)	(286,070)		(137,919)
Interest income	3,838	1,446	5,892		1,513
Interest expense	(11,203)	(11,714)	(19,851)		(24,047)
Other expense, net	(2,456)	(70)	(3,765)		(268)
Realized loss on investments, net	(468)	18	(1,315)		18
Change in fair value of equity securities	(13,484)	323	(18,643)		323
Loss on equity method investments	(2,191)		(6,024)
Loss before income taxes	(172,873)	(99,634)	(329,776)		(160,380)
Income tax expense	423	0	9	€ (9)		€ 0
Net loss	$ (173,296)	$ (99,634)	$ (329,785)		$ (160,380)
Net loss per share:
Net loss per share, basic | $ / shares	$ (0.30)	$ (0.18)	$ (0.57)		$ (0.30)
Net loss per share, diluted | $ / shares	$ (0.29)	$ (0.18)	$ (0.56)		$ (0.30)
Weighted average number of common stock outstanding, basic | shares	578,043,278	567,033,722	578,217,636	578,217,636	540,394,003	540,394,003
Weighted average number of common stock outstanding, diluted | shares	578,043,278	567,033,722	578,217,636	578,217,636	540,394,003	540,394,003
Sales of fuel cell systems, related infrastructure and equipment
Net revenue:
Net revenue	$ 116,233	$ 99,278	$ 225,080		$ 146,050
Cost of revenue:
Cost of revenue	94,153	79,913	182,981		108,887
Services performed on fuel cell systems and related infrastructure
Net revenue:
Net revenue	8,822	5,675	17,062		11,720
Cost of revenue:
Cost of revenue	11,612	15,475	25,487		28,561
Power purchase agreements
Net revenue:
Net revenue	11,169	8,361	21,206		16,187
Cost of revenue:
Cost of revenue	34,892	22,234	66,645		40,577
Fuel delivered to customers and related equipment
Net revenue:
Net revenue	14,472	11,121	27,900		22,248
Cost of revenue:
Cost of revenue	41,607	40,331	80,879		62,474
Other
Net revenue:
Net revenue	571	122	822		310
Cost of revenue:
Cost of revenue	$ 400	$ 208	$ 777		$ 306