Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2015

Accounting Policies [Abstract]

Revenue From External Customers

Revenues from external customers for each group of similar products and services are as follows (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2015		2014		2015		2014
Operating leases	$	23,688	$	17,302	$	63,735	$	46,719
Incentives		7,962		4,310		24,681		16,321
Operating leases and incentives		31,650		21,612		88,416		63,040
Solar energy systems		9,890		6,474		22,724		14,567
Products		41,060		27,990		93,827		60,811
Solar energy systems and product sales		50,950		34,464		116,551		75,378
Total revenue	$	82,600	$	56,076	$	204,967	$	138,418