Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Statements of Comprehensive (Loss) Income [Abstract]
NET INCOME	$ 1,379	$ 21,400
Other comprehensive income:
Foreign currency translation adjustments	(519)	3
COMPREHENSIVE INCOME	860	21,403
Comprehensive loss attributable to noncontrolling interests	3,243	930
COMPREHENSIVE INCOME ATTRIBUTABLE TO GENIE ENERGY LTD.	$ 4,103	$ 22,333