Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2020

Revenue from Contract with Customer [Abstract]

Schedule of Prospective Adoption of New Accounting Pronouncements

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

	June 30, 2020		December 31, 2019
Deferred revenue	$	162,186	$	168,223
Deferred incentive revenue	7,067		7,397
Customer deposits	48,375		39,101
Deferred revenue and customer deposits	$	217,628	$	214,721

Contract with Customer, Asset and Liability

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
			As Restated				As Restated
Beginning balance	$	170,034	$	140,734	$	168,223	$	140,130
Additions	159,142		189,138		297,254		307,497
Revenue recognized	(166,990)		(171,886)		(303,291)		(289,641)
Ending balance	$	162,186	$	157,986	$	162,186	$	157,986

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 June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
			As Restated				As Restated
Revenue from contracts with customers:
Product revenue	$	116,197	$	144,081	$	215,756	$	235,007
Installation revenue	29,839		13,076		46,457		25,295
Services revenue	26,208		23,026		51,355		46,493
Electricity revenue	—		5,110		—		10,840
Total revenue from contract with customers	172,244		185,293		313,568		317,635
Revenue from contracts accounted for as leases:
Electricity revenue	15,612		15,033		30,987		29,692
Total revenue	$	187,856	$	200,326	$	344,555	$	347,327