Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue:
Total revenue	$ 243,236	$ 228,470	$ 444,275	$ 422,477
Cost of revenue:
Total cost of revenue	245,206	191,126	418,308	330,482
Gross (loss) profit	(1,970)	37,344	25,967	91,995
Operating expenses:
Research and development	41,614	25,673	76,140	48,968
Sales and marketing	20,475	22,727	41,809	42,679
General and administrative	38,114	31,655	75,850	57,456
Total operating expenses	100,203	80,055	193,799	149,103
Loss from operations	(102,173)	(42,711)	(167,832)	(57,108)
Interest income	196	76	255	150
Interest expense	(13,814)	(14,553)	(27,901)	(29,284)
Loss on extinguishment of debt	(4,233)	0	(4,233)	0
Other (expense) income, net	(1,191)	22	(4,218)	(63)
Gain (loss) on revaluation of embedded derivatives	38	(942)	569	(1,460)
Loss before income taxes	(121,177)	(58,108)	(203,360)	(87,765)
Income tax (benefit) provision	(12)	313	552	437
Net loss	(121,165)	(58,421)	(203,912)	(88,202)
Less: Net loss attributable to noncontrolling interest	(2,365)	(4,536)	(6,453)	(9,424)
Net loss attributable to Class A and Class B common stockholders	(118,800)	(53,885)	(197,459)	(78,778)
Less: Net loss attributable to redeemable noncontrolling interest	0	(22)	(300)	(26)
Net loss before portion attributable to redeemable noncontrolling interest and noncontrolling interest	$ (118,800)	$ (53,863)	$ (197,159)	$ (78,752)
Net loss per share available to Class A and Class B common stockholders, basic (in dollars per share)	$ (0.67)	$ (0.31)	$ (1.11)	$ (0.46)
Net loss per share available to Class A and Class B common stockholders, diluted (in dollars per share)	$ (0.67)	$ (0.31)	$ (1.11)	$ (0.46)
Weighted average shares used to compute net loss per share available to Class A and Class B common stockholders, basic (in shares)	178,507	172,749	177,852	171,753
Weighted average shares used to compute net loss per share available to Class A and Class B common stockholders, diluted (in shares)	178,507	172,749	177,852	171,753
Product
Revenue:
Total revenue	$ 173,625	$ 146,867	$ 307,172	$ 284,797
Cost of revenue:
Total cost of revenue	129,419	108,891	235,161	196,185
Installation
Revenue:
Total revenue	12,729	28,879	26,282	31,538
Cost of revenue:
Total cost of revenue	16,730	36,515	29,503	41,140
Service
Revenue:
Total revenue	38,426	35,707	73,665	72,124
Cost of revenue:
Total cost of revenue	41,028	35,565	82,854	71,683
Electricity
Revenue:
Total revenue	18,456	17,017	37,156	34,018
Cost of revenue:
Total cost of revenue	$ 58,029	$ 10,155	$ 70,790	$ 21,474