Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Schedule of Prospective Adoption of New Accounting Pronouncements

Deferred revenue and customer deposits as of September 30, 2020 and December 31, 2019 consisted of the following (in thousands):

	September 30, 2020		December 31, 2019
Deferred revenue	$	150,144	$	168,223
Deferred incentive revenue	6,900		7,397
Customer deposits	42,019		39,101
Deferred revenue and customer deposits	$	199,063	$	214,721

Contract with Customer, Asset and Liability

Deferred revenue activity during the three and nine months ended September 30, 2020 and 2019 consisted of the following (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
			As Restated				As Restated
Beginning balance	$	162,186	$	157,986	$	168,223	$	140,130
Additions	166,398		190,168		463,652		497,665
Revenue recognized	(178,440)		(198,792)		(481,731)		(488,433)
Ending balance	$	150,144	$	149,362	$	150,144	$	149,362

Disaggregation of Revenue

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
			As Restated				As Restated
Revenue from contracts with customers:
Product revenue	$	131,076	$	163,902	$	346,832	$	398,909
Installation revenue	26,603		21,102		73,060		46,397
Services revenue	26,141		23,665		77,496		70,158
Electricity revenue	—		—		—		10,840
Total revenue from contract with customers	183,819		208,669		497,388		526,304
Revenue from contracts accounted for as leases:
Electricity revenue	16,485		15,638		47,472		45,330
Total revenue	$	200,305	$	224,307	$	544,860	$	571,634