Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenue:
Operating leases and incentives	$ 65,337	$ 45,394	$ 113,435	$ 79,934
Solar energy systems and product sales	72,511	77,144	128,530	141,347
Total revenue	137,848	122,538	241,965	221,281
Operating expenses:
Cost of operating leases and incentives	47,114	38,608	91,450	76,708
Cost of solar energy systems and product sales	60,938	61,600	110,369	119,112
Sales and marketing	32,784	43,716	64,460	86,904
Research and development	3,710	2,373	6,706	4,836
General and administrative	25,230	23,614	49,851	46,862
Amortization of intangible assets	1,051	1,051	2,102	2,103
Total operating expenses	170,827	170,962	324,938	336,525
Loss from operations	(32,979)	(48,424)	(82,973)	(115,244)
Interest expense, net	16,602	13,063	31,879	24,578
Other expenses (income), net	208	30	683	(502)
Loss before income taxes	(49,789)	(61,517)	(115,535)	(139,320)
Income tax expense	15,453	3,210	22,791	3,210
Net loss	(65,242)	(64,727)	(138,326)	(142,530)
Net loss attributable to noncontrolling interests and redeemable noncontrolling interests	(90,364)	(97,370)	(176,175)	(188,307)
Net income available to common stockholders	$ 25,122	$ 32,643	$ 37,849	$ 45,777
Net income per share available to common stockholders
Basic (in dollars per share)	$ 0.24	$ 0.32	$ 0.36	$ 0.45
Diluted (in dollars per share)	$ 0.23	$ 0.31	$ 0.35	$ 0.44
Weighted average shares used to compute net income per share available to common stockholders
Weighted average shares used to compute net income per share attributable to common stockholders, basic (in shares)	105,093	101,969	104,568	101,621
Weighted average shares used to compute net income per share attributable to common stockholders, diluted (in shares)	107,347	104,768	106,911	104,494