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Variable Interest Entity (Details 1) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Variable Interest Entity Classifications Of Carrying Amount Assets And Liabilities Net [Abstract] |  |
Total assets | $ 315,687 | $ 277,615
CCE [Member] |  |
Variable Interest Entity Classifications Of Carrying Amount Assets And Liabilities Net [Abstract] |  |
Total assets | 1,233 | 1,566
Total liabilities and noncontrolling interests | 1,233 | 1,566
CCE [Member] | Cash, cash equivalents and restricted cash [Member] |  |
Variable Interest Entity Classifications Of Carrying Amount Assets And Liabilities Net [Abstract] |  |
Total assets | 261 | 295
CCE [Member] | Trade accounts receivable [Member] |  |
Variable Interest Entity Classifications Of Carrying Amount Assets And Liabilities Net [Abstract] |  |
Total assets | 226 | 549
CCE [Member] | Prepaid expenses and other current assets [Member] |  |
Variable Interest Entity Classifications Of Carrying Amount Assets And Liabilities Net [Abstract] |  |
Total assets | 386 | 363
CCE [Member] | Other assets [Member] |  |
Variable Interest Entity Classifications Of Carrying Amount Assets And Liabilities Net [Abstract] |  |
Total assets | 360 | 359
CCE [Member] | Current liabilities [Member] |  |
Variable Interest Entity Classifications Of Carrying Amount Assets And Liabilities Net [Abstract] |  |
Total liabilities and noncontrolling interests | 598 | 700
CCE [Member] | Due to IDT Energy [Member] |  |
Variable Interest Entity Classifications Of Carrying Amount Assets And Liabilities Net [Abstract] |  |
Total liabilities and noncontrolling interests | 5,975 | 5,997
CCE [Member] | Noncontrolling interests [Member] |  |
Variable Interest Entity Classifications Of Carrying Amount Assets And Liabilities Net [Abstract] |  |
Total liabilities and noncontrolling interests | $ (5,340) | $ (5,131)

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. 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