Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue:
Total revenue	$ 301,095	$ 243,236	$ 576,286	$ 444,275
Cost of revenue:
Total cost of revenue	244,745	245,206	465,669	418,308
Gross profit (loss)	56,350	(1,970)	110,617	25,967
Operating expenses:
Research and development	41,493	41,614	87,183	76,140
Sales and marketing	26,822	20,475	53,933	41,809
General and administrative	42,491	38,114	87,638	75,850
Total operating expenses	110,806	100,203	228,754	193,799
Loss from operations	(54,456)	(102,173)	(118,137)	(167,832)
Interest income	4,357	196	6,352	255
Interest expense	(13,953)	(13,814)	(25,699)	(27,901)
Other expense, net	(740)	(1,191)	(2,083)	(4,218)
Loss on extinguishment of debt	(2,873)	(4,233)	(2,873)	(4,233)
(Loss) gain on revaluation of embedded derivatives	(1,216)	38	(1,099)	569
Loss before income taxes	(68,881)	(121,177)	(143,539)	(203,360)
Income tax provision (benefit)	178	(12)	437	552
Net loss	(69,059)	(121,165)	(143,976)	(203,912)
Less: Net loss attributable to noncontrolling interest	(2,998)	(2,365)	(6,348)	(6,453)
Net loss attributable to Class A and Class B common stockholders	(66,061)	(118,800)	(137,628)	(197,459)
Less: Net loss attributable to redeemable noncontrolling interest	0	0	0	(300)
Net loss before portion attributable to redeemable noncontrolling interest and noncontrolling interest	$ (66,061)	$ (118,800)	$ (137,628)	$ (197,159)
Net loss per share available to Class A and Class B common stockholders, basic (in dollars per share)	$ (0.32)	$ (0.67)	$ (0.66)	$ (1.11)
Net loss per share available to Class A and Class B common stockholders, diluted (in dollars per share)	$ (0.32)	$ (0.67)	$ (0.66)	$ (1.11)
Weighted average shares used to compute net loss per share available to Class A and Class B common stockholders, basic (in shares)	208,692	178,507	207,714	177,852
Weighted average shares used to compute net loss per share available to Class A and Class B common stockholders, diluted (in shares)	208,692	178,507	207,714	177,852
Product
Revenue:
Total revenue	$ 214,706	$ 173,625	$ 408,451	$ 307,172
Cost of revenue:
Total cost of revenue	145,146	129,419	274,759	235,161
Installation
Revenue:
Total revenue	24,321	12,729	44,846	26,282
Cost of revenue:
Total cost of revenue	26,879	16,730	51,979	29,503
Service
Revenue:
Total revenue	42,298	38,426	82,961	73,665
Cost of revenue:
Total cost of revenue	57,263	41,028	108,507	82,854
Electricity
Revenue:
Total revenue	19,770	18,456	40,028	37,156
Cost of revenue:
Total cost of revenue	$ 15,457	$ 58,029	$ 30,424	$ 70,790