Solar Energy Systems, net (Tables)

12 Months Ended

Dec. 31, 2018

Solar Energy Systems Disclosure [Abstract]

Schedule of solar energy systems, net

Solar energy systems, net consists of the following (in thousands):

	December 31,
	2018			2017
Solar energy system equipment costs	$	3,823,853		$	3,124,407
Inverters	396,054			317,390
Total solar energy systems	4,219,907			3,441,797
Less: accumulated depreciation and amortization	(535,891		)	(399,280		)
Add: construction-in-progress	136,001			119,053
Total solar energy systems, net	$	3,820,017		$	3,161,570