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v3.23.3

Basis of Presentation and Business Changes and Development (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Mar. 31, 2022 | Sep. 30, 2021 | Mar. 31, 2021 | Sep. 30, 2023
Basis of Presentation and Business Changes and Development (Textual) |  |  |  |  |
Interest rate |  |  |  |  | 100.00%
Other nonoperating income |  |  |  |  | $ 3.1
Genie Retail Energy [Member] |  |  |  |  |
Basis of Presentation and Business Changes and Development (Textual) |  |  |  |  |
Company's investment, ownership percentage in subsidiary |  |  |  |  | 100.00%
Percentage of gas revenue generated in given period | 30.50% | 39.70% | 30.30% | 44.50% |
Prism Solar Technology [Member] |  |  |  |  |
Basis of Presentation and Business Changes and Development (Textual) |  |  |  |  |
Business acquired interest |  |  |  |  | 60.00%
Genie Energy International Corporation [Member] |  |  |  |  |
Basis of Presentation and Business Changes and Development (Textual) |  |  |  |  |
Company's investment, ownership percentage in subsidiary |  |  |  |  | 99.50%
Genie Retail Energy International [Member] |  |  |  |  |
Basis of Presentation and Business Changes and Development (Textual) |  |  |  |  |
Company's investment, ownership percentage in subsidiary |  |  |  |  | 100.00%
CityCom Solar [Member] |  |  |  |  |
Basis of Presentation and Business Changes and Development (Textual) |  |  |  |  |
Company's investment, ownership percentage in subsidiary |  |  |  |  | 92.80%
Genie Solar Energy [Member] |  |  |  |  |
Basis of Presentation and Business Changes and Development (Textual) |  |  |  |  |
Company's investment, ownership percentage in subsidiary |  |  |  |  | 95.50%
Diversegy [Member] |  |  |  |  |
Basis of Presentation and Business Changes and Development (Textual) |  |  |  |  |
Company's investment, ownership percentage in subsidiary |  |  |  |  | 96.00%

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