Revenue Recognition

9 Months Ended

Sep. 30, 2022

Revenue from Contract with Customer [Abstract]

Revenue Recognition

Revenue Recognition

Contract Balances

The following table provides information about accounts receivables, contract assets, customer deposits and deferred revenue from contracts with customers (in thousands):

	September 30,		December 31,
	2022		2021
Accounts receivable	$	71,184	$	87,788
Contract assets	25,768		25,201
Customer deposits	64,412		64,809
Deferred revenue	103,156		115,476

Contract assets and contract liabilities are reported in a net position on an individual contract basis at the end of each reporting period. Contract assets are classified as current in the condensed consolidated balance sheet when the Company expects to complete the related performance obligations and invoice the customers within one year of the balance sheet date, and as long-term when the Company expects to complete the related performance obligations and invoice the customers more than one year out from the balance sheet date. Contract liabilities are classified as current in the condensed consolidated balance sheet when the revenue recognition associated with the related customer payments and invoicing is expected to occur within one year of the balance sheet date and as long-term when the revenue recognition associated with the related customer payments and invoicing is expected to occur in more than one year from the balance sheet date.

Contract Assets

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Beginning balance	$	33,374	$	18,638	$	25,201	$	3,327
Transferred to accounts receivable from contract assets recognized at the beginning of the period	(21,677)		(11,758)		(21,304)		—
Revenue recognized and not billed as of the end of the period	14,071		20,865		21,871		24,418
Ending balance	$	25,768	$	27,745	$	25,768	$	27,745

Deferred Revenue

Deferred revenue activity, including deferred incentive revenue activity, during the three and nine months ended September 30, 2022 and 2021 consisted of the following (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Beginning balance	$	96,377	$	116,255	$	115,476	$	135,578
Additions	248,574		175,423		597,318		541,519
Revenue recognized	(241,795)		(179,808)		(609,638)		(565,227)
Ending balance	$	103,156	$	111,870	$	103,156	$	111,870

Disaggregated Revenue

We disaggregate revenue from contracts with customers into four revenue categories: product, installation, services and electricity (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Revenue from contracts with customers:
Product revenue	$	213,243	$	128,550	$	520,415	$	413,347
Installation revenue	22,682		22,172		48,964		53,710
Services revenue	37,347		39,251		111,012		111,375
Electricity revenue	2,875		804		8,352		2,107
Total revenue from contract with customers	276,147		190,777		688,743		580,539
Revenue from contracts that contain lease:
Electricity revenue	16,127		16,451		47,806		49,166
Total revenue	$	292,274	$	207,228	$	736,549	$	629,705