v3.19.1
SEGMENT INFORMATION (Schedule of Segment Assets) (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Total assets $ 1,176,923 $ 964,472
Solar [Member]    
Total assets 1,038,612 866,868
Non-solar [Member]    
Total assets $ 138,311 $ 97,604