Revenue Recognition

6 Months Ended

Jun. 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):

	June 30,		December 31,
	2022		2021
Accounts receivable	$	77,972	$	87,788
Contract assets	33,374		25,201
Customer deposits	73,750		64,809
Deferred revenue	96,377		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 June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Beginning balance	$	13,533	$	5,008	$	25,201	$	3,327
Transferred to accounts receivable from contract assets recognized at the beginning of the period	(1,387)		(556)		(15,963)		—
Revenue recognized and not billed as of the end of the period	21,228		14,186		24,136		15,311
Ending balance	$	33,374	$	18,638	$	33,374	$	18,638

Deferred Revenue

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Beginning balance	$	103,489	$	120,643	$	115,476	$	135,578
Additions	182,067		195,324		348,744		350,785
Revenue recognized	(189,179)		(199,712)		(367,843)		(370,108)
Ending balance	$	96,377	$	116,255	$	96,377	$	116,255

Disaggregated Revenue

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Revenue from contracts with customers:
Product revenue	$	173,625	$	146,867	$	307,172	$	284,797
Installation revenue	12,729		28,879		26,282		31,538
Services revenue	38,426		35,707		73,665		72,124
Electricity revenue	2,794		707		5,476		1,302
Total revenue from contract with customers	227,574		212,160		412,595		389,761
Revenue from contracts accounted for as leases:
Electricity revenue	15,662		16,310		31,680		32,716
Total revenue	$	243,236	$	228,470	$	444,275	$	422,477