Discontinued Operations (Details 1) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Schedule of Equity Method Investments [Line Items]
Net income from discontinued operations, net of taxes	$ (304)	$ (1,459)	$ 5,923	$ 25,929
Lumo Finland and Lumo Sweden [Member]
Schedule of Equity Method Investments [Line Items]
Revenues		4,558		25,247
Cost of revenues		7,042		(8,358)
Gross profit		(2,484)		33,605
Selling, general and administrative expenses		3,275		5,190
Income from operations		(5,759)		28,415
Other (loss) income	(395)	7,792	800	7,792
Income before income taxes	(395)	2,033	800	36,207
Provision for income taxes	91	(3,492)	(314)	(10,278)
Net income from discontinued operations, net of taxes	(304)	(1,459)	486	25,929
Income before income taxes attributable to Genie Energy Ltd.	$ (395)	$ 4,836	$ 800	$ 36,206

Amount of costs of goods sold attributable to disposal group, including, but not limited to, discontinued operation.

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The amount of other income (loss) attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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