Annual report pursuant to Section 13 and 15(d)

Related Party Transactions - Additional Information (Details)

v3.19.3.a.u2
Related Party Transactions - Additional Information (Details) - Enphase
$ in Millions
12 Months Ended
Dec. 31, 2017
USD ($)
Related Party Transaction [Line Items]  
Purchase from related party $ 9.1
Outstanding payables to related party $ 2.0