Note Payable and Revolving Credit Loan Payable	9 Months Ended
Apr. 30, 2020
Revolving Credit Facility [Abstract]
Note payable and Revolving Credit Loan Payable	Note 12—Note Payable and Revolving Credit Loan Payable Note Payable On April 20, 2020, IDT Domestic Telecom, Inc. ("IDT DT"), a subsidiary of the Company, received loan proceeds of $10.0 million (the "PPP Loan") from TD Bank, N.A, pursuant to the Paycheck Protection Program (the "PPP") under the Coronavirus Aid, Relief, and Economic Security Act ("CARES Act") administered by the U.S. Small Business Administration. On April 29, 2020, IDT DT returned all $10.0 million in proceeds from the PPP Loan. In light of the oversubscription of applications for loans under the PPP, and despite IDT DT's need for the funds to support its operations, IDT DT returned the loan proceeds in order to make those funds available to other borrowers that may be in greater need than IDT DT. Revolving Credit Loan Payable As of October 31, 2019, the Company's subsidiary, IDT Telecom, Inc., entered into a credit agreement with TD Bank, N.A. for a line of credit facility for up to a maximum principal amount of $25.0 million. IDT Telecom may use the proceeds to finance working capital requirements, acquisitions and other general corporate purposes. The line of credit facility is secured by primarily all of IDT Telecom's assets. The principal outstanding bears interest per annum at the LIBOR rate adjusted by the Regulation D maximum reserve requirement plus 125 basis points. Interest is payable monthly, and all outstanding principal and any accrued and unpaid interest is due on the maturity date of July 15, 2020. At April 30, 2020, there was no amount outstanding under the facility. IDT Telecom pays a quarterly unused commitment fee of 0.3% per annum on the average daily balance of the unused portion of the $25.0 million commitment. IDT Telecom is required to comply with various affirmative and negative covenants as well as maintain certain financial targets and ratios during the term of the facility, including IDT Telecom may not pay any dividend on its capital stock.

Note Payable and Revolving Credit Loan Payable

9 Months Ended

Apr. 30, 2020

Revolving Credit Facility [Abstract]

Note payable and Revolving Credit Loan Payable

Note 12—Note Payable and Revolving Credit Loan Payable

Note Payable

On April 20, 2020, IDT Domestic Telecom, Inc. ("IDT DT"), a subsidiary of the Company, received loan proceeds of $10.0 million (the "PPP Loan") from TD Bank, N.A, pursuant to the Paycheck Protection Program (the "PPP") under the Coronavirus Aid, Relief, and Economic Security Act ("CARES Act") administered by the U.S. Small Business Administration. On April 29, 2020, IDT DT returned all $10.0 million in proceeds from the PPP Loan. In light of the oversubscription of applications for loans under the PPP, and despite IDT DT's need for the funds to support its operations, IDT DT returned the loan proceeds in order to make those funds available to other borrowers that may be in greater need than IDT DT.

Revolving Credit Loan Payable

As of October 31, 2019, the Company's subsidiary, IDT Telecom, Inc., entered into a credit agreement with TD Bank, N.A. for a line of credit facility for up to a maximum principal amount of $25.0 million. IDT Telecom may use the proceeds to finance working capital requirements, acquisitions and other general corporate purposes. The line of credit facility is secured by primarily all of IDT Telecom's assets. The principal outstanding bears interest per annum at the LIBOR rate adjusted by the Regulation D maximum reserve requirement plus 125 basis points. Interest is payable monthly, and all outstanding principal and any accrued and unpaid interest is due on the maturity date of July 15, 2020. At April 30, 2020, there was no amount outstanding under the facility. IDT Telecom pays a quarterly unused commitment fee of 0.3% per annum on the average daily balance of the unused portion of the $25.0 million commitment. IDT Telecom is required to comply with various affirmative and negative covenants as well as maintain certain financial targets and ratios during the term of the facility, including IDT Telecom may not pay any dividend on its capital stock.