Revolving Credit Facility	12 Months Ended
Jul. 31, 2019
Revolving Credit Facility [Abstract]
Revolving Credit Facility	Note 14—Revolving Credit Facility IDT Telecom had a credit agreement, dated as of October 31, 2018, with TD Bank, N.A. for a line of credit facility for up to a maximum principal amount of $25.0 million until its maturity date on July 15, 2019. The principal outstanding incurred interest per annum at the LIBOR rate adjusted by the Regulation D maximum reserve requirement plus 125 basis points. IDT Telecom paid 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 entered into a credit agreement, dated July 12, 2012, with TD Bank, N.A. for a line of credit facility for up to a maximum principal amount of $25.0 million. The credit agreement was terminated on July 20, 2018. The principal outstanding incurred interest per annum, at the option of IDT Telecom, at either (a) the U.S. Prime Rate less 125 basis points, or (b) the LIBOR rate adjusted by the Regulation D maximum reserve requirement plus 125 basis points. IDT Telecom paid a quarterly unused commitment fee of 0.325% per annum on the average daily balance of the unused portion of the $25.0 million commitment.

Revolving Credit Facility

12 Months Ended

Jul. 31, 2019

Revolving Credit Facility [Abstract]

Note 14—Revolving Credit Facility

IDT Telecom had a credit agreement, dated as of October 31, 2018, with TD Bank, N.A. for a line of credit facility for up to a maximum principal amount of $25.0 million until its maturity date on July 15, 2019. The principal outstanding incurred interest per annum at the LIBOR rate adjusted by the Regulation D maximum reserve requirement plus 125 basis points. IDT Telecom paid 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 entered into a credit agreement, dated July 12, 2012, with TD Bank, N.A. for a line of credit facility for up to a maximum principal amount of $25.0 million. The credit agreement was terminated on July 20, 2018. The principal outstanding incurred interest per annum, at the option of IDT Telecom, at either (a) the U.S. Prime Rate less 125 basis points, or (b) the LIBOR rate adjusted by the Regulation D maximum reserve requirement plus 125 basis points. IDT Telecom paid a quarterly unused commitment fee of 0.325% per annum on the average daily balance of the unused portion of the $25.0 million commitment.