Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue:
Total revenue	$ 275,191	$ 201,039
Cost of revenue:
Total cost of revenue	220,924	173,102
Gross profit	54,267	27,937
Operating expenses:
Research and development	45,690	34,526
Sales and marketing	27,111	21,334
General and administrative	45,147	37,736
Total operating expenses	117,948	93,596
Loss from operations	(63,681)	(65,659)
Interest income	1,995	59
Interest expense	(11,746)	(14,087)
Other expense, net	(1,343)	(3,027)
Gain on revaluation of embedded derivatives	117	531
Loss before income taxes	(74,658)	(82,183)
Income tax provision	259	564
Net loss	(74,917)	(82,747)
Less: Net loss attributable to noncontrolling interest	(3,350)	(4,088)
Net loss attributable to Class A and Class B common stockholders	(71,567)	(78,659)
Less: Net loss attributable to redeemable noncontrolling interest	0	(300)
Net loss before portion attributable to redeemable noncontrolling interest and noncontrolling interest	$ (71,567)	$ (78,359)
Net loss per share available to Class A and Class B common stockholders, basic (in dollars per share)	$ (0.35)	$ (0.44)
Net loss per share available to Class A and Class B common stockholders, diluted (in dollars per share)	$ (0.35)	$ (0.44)
Weighted average shares used to compute net loss per share available to Class A and Class B common stockholders, basic (in shares)	206,724	177,189
Weighted average shares used to compute net loss per share available to Class A and Class B common stockholders, diluted (in shares)	206,724	177,189
Product
Revenue:
Total revenue	$ 193,745	$ 133,547
Cost of revenue:
Total cost of revenue	129,613	105,742
Installation
Revenue:
Total revenue	20,525	13,553
Cost of revenue:
Total cost of revenue	25,100	12,773
Service
Revenue:
Total revenue	40,663	35,239
Cost of revenue:
Total cost of revenue	51,244	41,826
Electricity
Revenue:
Total revenue	20,258	18,700
Cost of revenue:
Total cost of revenue	$ 14,967	$ 12,761