Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net revenue:
Net revenue	$ 124,557	$ 67,995	$ 196,515	$ 108,814
Cost of revenue:
Total cost of revenue	164,855	68,010	248,984	118,532
Gross loss	(40,298)	(15)	(52,469)	(9,718)
Operating expenses:
Research and development	11,247	4,873	20,989	9,647
Selling, general and administrative	38,652	21,644	64,231	32,753
Change in fair value of contingent consideration	(560)		230
Total operating expenses	49,339	26,517	85,450	42,400
Operating loss	(89,637)	(26,532)	(137,919)	(52,118)
Interest	(10,268)	(13,368)	(22,534)	(25,157)
Other expense, net	(70)	(94)	(268)	(151)
Realized gain on investments, net	18		18
Change in fair value of equity securities	323		323
Gain on extinguishment of debt		13,222		13,222
Loss before income taxes	(99,634)	(26,772)	(160,380)	(64,204)
Income tax benefit	0	17,371	0	17,371
Net loss attributable to the Company	(99,634)	(9,401)	(160,380)	(46,833)
Preferred stock dividends declared		(13)		(26)
Net loss attributable to common stockholders	$ (99,634)	$ (9,414)	$ (160,380)	$ (46,859)
Net loss per share:
Basic and diluted	$ (0.18)	$ (0.03)	$ (0.30)	$ (0.15)
Weighted average number of common stock outstanding	567,033,722	316,645,050	540,394,003	310,918,626
Sales of fuel cell systems and related infrastructure
Net revenue:
Net revenue	$ 99,278	$ 47,746	$ 146,050	$ 68,214
Cost of revenue:
Total cost of revenue	79,913	33,888	108,887	47,862
Services performed on fuel cell systems and related infrastructure
Net revenue:
Net revenue	5,675	6,236	11,720	12,757
Cost of revenue:
Total cost of revenue	15,475	7,773	28,561	18,120
Provision for loss contracts related to service
Cost of revenue:
Total cost of revenue	6,694	706	8,179	801
Power Purchase Agreements
Net revenue:
Net revenue	8,361	6,579	16,187	13,000
Cost of revenue:
Total cost of revenue	22,234	14,504	40,577	29,275
Fuel delivered to customers
Net revenue:
Net revenue	11,121	7,372	22,248	14,705
Cost of revenue:
Total cost of revenue	40,331	11,076	62,474	22,330
Other
Net revenue:
Net revenue	122	62	310	138
Cost of revenue:
Total cost of revenue	$ 208	$ 63	$ 306	$ 144