Debt	6 Months Ended
Jun. 30, 2020
Debt [Abstract]
Debt	Note 19—Debt Loan with Tokyo Star Bank On November 28, 2019, Genie Japan entered into a Loan Agreement with Tokyo Star Bank for a ¥100.0 million (equivalent to $0.9 million) short-term credit facility. Genie Japan provided a letter of credit issued by JPMorgan Chase amounting to ¥100.0 million (equivalent to $0.9 million) as collateral. The outstanding principal amount incurred interest at Tokyo Star Bank's short-term prime rate plus 0.25% per annum. Interest was payable monthly and all outstanding principal and any accrued and unpaid interest matured on May 13, 2020. Genie Japan settled the Loan agreement and paid the outstanding balance of ¥100.0 million (equivalent to $0.9 million) on May 13, 2020. On May 13, 2020, Genie Japan entered into a new Loan Agreement with Tokyo Star Bank for a ¥150.0 million (equivalent to $1.4 million) short-term credit facility ("May 2020 Loan"). Genie Japan provided a letter of credit issued by JPMorgan Chase in the amount of ¥150.0 million (equivalent to $1.4 million) as collateral. The outstanding principal amount incurs interest at 3.0% per annum. Interest is payable monthly and all outstanding principal and any accrued and unpaid interest mature on November 13, 2020. At June 30, 2020, $1.4 million was outstanding under the May 2020 Loan. At June 30, 2020, the effective interest rate was 3.0%. Revolving Line of Credit with Vantage Commodities On April 4, 2017, GRE, IDT Energy, and other GRE subsidiaries entered into a Credit Agreement with Vantage Commodities Financial Services II, LLC ("Vantage") for a $20 million revolving loan facility. The borrowers consist of the Company’s subsidiaries that operate REP businesses, and those subsidiaries’ obligations are guaranteed by GRE. The borrowers have provided as collateral a security interest in their receivables, bank accounts, customer agreements, certain other material agreements and related commercial and intangible rights. The outstanding principal amount incurred interest at LIBOR plus 4.5% per annum. Interest was payable monthly, and all outstanding principal and any accrued and unpaid interest was due on the maturity date of April 3, 2020. At December 31, 2019, $2.5 million was outstanding under the revolving line of credit with an effective interest rate of 6.41% per annum. The borrowers were required to comply with various affirmative and negative covenants, including maintaining a target tangible net worth during the term of the credit agreement. In April 2020, the revolving line of credit expired and the Company paid the outstanding balance of $3.5 million in exchange for the release and termination of any further obligations and security interest. Credit Agreement with JP Morgan Chase Bank On December 5, 2019, the Company entered into an amendment of its existing Credit Agreement with JPMorgan Chase Bank ( the “Credit Agreement”) to extend the maturity date of December 31, 2020. The Company continues to have the aggregate principal amount of $5.0 million credit line facility (“Credit Line”). The Company pays a commitment fee of 0.1% per annum on unused portion of the Credit Line as specified in the Credit Agreement. The borrowed amounts will be in the form of letters of credit which will bear interest of 1.0% per annum. The Company will also pay a fee for each letter of credit that is issued equal to the greater of $500 or 1.0% of the original maximum available amount of the letter of credit. The Company agreed to deposit cash in a money market account at JPMorgan Chase Bank as collateral for the line of credit equal to $5.1 million. As of, June 30, 2020, JP Morgan Chase Bank issued $2.3 million letters of credit from the Credit Line. As of June 30, 2020, none of the letters of credits were drawn upon. At June 30, 2020, the cash collateral of $5.2 million was included in restricted cash—short-term in the consolidated balance sheet.

Debt

6 Months Ended

Jun. 30, 2020

Note 19—Debt

Loan with Tokyo Star Bank

On November 28, 2019, Genie Japan entered into a Loan Agreement with Tokyo Star Bank for a ¥100.0 million (equivalent to $0.9 million) short-term credit facility. Genie Japan provided a letter of credit issued by JPMorgan Chase amounting to ¥100.0 million (equivalent to $0.9 million) as collateral. The outstanding principal amount incurred interest at Tokyo Star Bank's short-term prime rate plus 0.25% per annum. Interest was payable monthly and all outstanding principal and any accrued and unpaid interest matured on May 13, 2020. Genie Japan settled the Loan agreement and paid the outstanding balance of ¥100.0 million (equivalent to $0.9 million) on May 13, 2020.

On May 13, 2020, Genie Japan entered into a new Loan Agreement with Tokyo Star Bank for a ¥150.0 million (equivalent to $1.4 million) short-term credit facility ("May 2020 Loan"). Genie Japan provided a letter of credit issued by JPMorgan Chase in the amount of ¥150.0 million (equivalent to $1.4 million) as collateral. The outstanding principal amount incurs interest at 3.0% per annum. Interest is payable monthly and all outstanding principal and any accrued and unpaid interest mature on November 13, 2020. At June 30, 2020, $1.4 million was outstanding under the May 2020 Loan. At June 30, 2020, the effective interest rate was 3.0%.

Revolving Line of Credit with Vantage Commodities

On April 4, 2017, GRE, IDT Energy, and other GRE subsidiaries entered into a Credit Agreement with Vantage Commodities Financial Services II, LLC ("Vantage") for a $20 million revolving loan facility. The borrowers consist of the Company’s subsidiaries that operate REP businesses, and those subsidiaries’ obligations are guaranteed by GRE. The borrowers have provided as collateral a security interest in their receivables, bank accounts, customer agreements, certain other material agreements and related commercial and intangible rights. The outstanding principal amount incurred interest at LIBOR plus 4.5% per annum. Interest was payable monthly, and all outstanding principal and any accrued and unpaid interest was due on the maturity date of April 3, 2020. At December 31, 2019, $2.5 million was outstanding under the revolving line of credit with an effective interest rate of 6.41% per annum. The borrowers were required to comply with various affirmative and negative covenants, including maintaining a target tangible net worth during the term of the credit agreement. In April 2020, the revolving line of credit expired and the Company paid the outstanding balance of $3.5 million in exchange for the release and termination of any further obligations and security interest.

Credit Agreement with JP Morgan Chase Bank

On December 5, 2019, the Company entered into an amendment of its existing Credit Agreement with JPMorgan Chase Bank ( the “Credit Agreement”) to extend the maturity date of December 31, 2020. The Company continues to have the aggregate principal amount of $5.0 million credit line facility (“Credit Line”). The Company pays a commitment fee of 0.1% per annum on unused portion of the Credit Line as specified in the Credit Agreement. The borrowed amounts will be in the form of letters of credit which will bear interest of 1.0% per annum. The Company will also pay a fee for each letter of credit that is issued equal to the greater of $500 or 1.0% of the original maximum available amount of the letter of credit. The Company agreed to deposit cash in a money market account at JPMorgan Chase Bank as collateral for the line of credit equal to $5.1 million. As of, June 30, 2020, JP Morgan Chase Bank issued $2.3 million letters of credit from the Credit Line. As of June 30, 2020, none of the letters of credits were drawn upon. At June 30, 2020, the cash collateral of $5.2 million was included in restricted cash—short-term in the consolidated balance sheet.