Quarterly report pursuant to Section 13 or 15(d)

Solar Energy Systems, net - Additional Information (Details)

v3.10.0.1
Solar Energy Systems, net - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Solar Energy Systems Disclosure [Abstract]        
Depreciation expense $ 35.6 $ 28.9 $ 101.8 $ 82.1
Amortization of deferred grants $ 2.0 $ 1.9 $ 5.8 $ 5.7