Quarterly report pursuant to Section 13 or 15(d)

Solar Energy Systems, net - Narrative (Details)

v3.19.2
Solar Energy Systems, net - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Solar Energy Systems Disclosure [Abstract]        
Depreciation expense $ 41.0 $ 33.9 $ 80.4 $ 66.2
Amortization of deferred grants $ 2.0 $ 1.9 $ 4.0 $ 3.8