Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2022

Revenue from Contract with Customer [Abstract]

Schedule of Contract with Customer, Asset and Liability

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

	March 31,		December 31,
	2022		2021
Accounts receivable	$	110,842	$	87,788
Contract assets	13,533		25,201
Customer deposits	71,013		64,809
Deferred revenue	103,489		115,476

	Three Months Ended March 31,
	2022		2021
Beginning balance	$	25,201	$	3,327
Transferred to accounts receivable from contract assets recognized at the beginning of the period	(14,576)		(4,277)
Revenue recognized and not billed as of the end of the period	2,908		5,958
Ending balance	$	13,533	$	5,008

Deferred revenue activity, including deferred incentive revenue activity, during the three months ended March 31, 2022 and 2021 consisted of the following (in thousands):

	Three Months Ended March 31,
	2022		2021
Beginning balance	$	115,476	$	135,578
Additions	166,676		156,586
Revenue recognized	(178,663)		(171,521)
Ending balance	$	103,489	$	120,643

Disaggregation of Revenue

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

	Three Months Ended March 31,
	2022		2021
Revenue from contracts with customers:
Product revenue	$	133,547	$	137,930
Installation revenue	13,553		2,659
Services revenue	35,239		36,417
Electricity revenue	2,682		595
Total revenue from contract with customers	185,021		177,601
Revenue from contracts accounted for as leases:
Electricity revenue	16,018		16,406
Total revenue	$	201,039	$	194,007