Borrowings (Narrative) (Details)						12 Months Ended
	Jul. 24, 2020	Mar. 01, 2020 USD ($)	Sep. 04, 2019 USD ($)	Sep. 04, 2019 ZAR (R)	Sep. 26, 2018 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2020 ZAR (R)	Sep. 30, 2019 USD ($)	Sep. 30, 2019 ZAR (R)	Sep. 04, 2019 ZAR (R)	Jun. 30, 2019 ZAR (R)	Feb. 04, 2019 USD ($)	Sep. 26, 2018 ZAR (R)	Sep. 14, 2018 USD ($)	Jul. 01, 2018 USD ($)	Jul. 01, 2018 ZAR (R)	Jun. 28, 2018 ZAR (R)	Mar. 31, 2018 USD ($)	Mar. 08, 2018 ZAR (R)	Aug. 31, 2017 USD ($)	Jul. 21, 2017 ZAR (R)
Maximum borrowing capacity						$ 95,197,000
South Africa [Member] | Revolving Credit Facility [Member]
Prepaid credit facility fees						0	$ 200,000
Interest expense incurred						600,000	2,100,000
Overdraft Restricted As To Use For ATM Funding Only [Member]
Maximum borrowing capacity						83,658,000
Overdraft Facility [Member]
Maximum borrowing capacity						2,885,000
Amount utilized						14,814,000	84,990,000	$ 0
Overdraft Facility [Member] | Amended July 2017 [Member] | South Africa [Member] | Facility E [Member] | Net1 SA [Member]
Maximum borrowing capacity					$ 83,800,000					$ 69,200,000	R 1,200,000,000				R 1,500,000,000
Percentage repayment of overdraft facility amount utilized					90.00%
Amount utilized						$ 14,800,000			R 300,000,000
Credit facility expiration period						25 days
Overdraft Facility [Member] | Amended July 2017 [Member] | South Africa [Member] | Facility F [Member] | Net1 SA [Member]
Maximum borrowing capacity			$ 17,300,000									R 300,000,000
Non-refundable structuring fee			$ 100,000	R 2,200,000
Overdraft Facility [Member] | Amended July 2017 [Member] | South Africa [Member] | First Senior Facility F [Member] | Net1 SA [Member]
Maximum borrowing capacity | R												220,000,000
Overdraft Facility [Member] | Amended July 2017 [Member] | South Africa [Member] | Second Senior Facility F [Member] | Net1 SA [Member]
Maximum borrowing capacity | R												R 80,000,000
Overdraft Facility [Member] | Overdraft Restricted As To Use For ATM Funding Only [Member]
Amount utilized						$ 14,814,000	75,446,000
Overdraft Facility [Member] | Overdraft Restricted As To Use For ATM Funding Only [Member] | South Africa [Member] | Facility E [Member] | Net1 SA [Member]
Maximum borrowing capacity | R									1,200,000,000
Overdraft Facility [Member] | Nedbank Short-Term Credit Facility [Member] | South Africa [Member]
Total overdraft facilities withdrawn							8,600,000
Net of total overdraft facilities withdrawn							5,900,000
Overdraft Facility [Member] | JIBAR [Member] | Amended July 2017 [Member] | South Africa [Member] | Revolving Credit Facility [Member] | Net1 SA [Member]
Debt instrument interest rate			5.50%	5.50%
Indirect And Derivative Facilities [Member]
Maximum borrowing capacity						8,654,000
Amount utilized						5,398,000	6,643,000	7,871,000
Nedbank Limited [Member] | South Africa [Member]
Maximum borrowing capacity						25,963,000
Nedbank Limited [Member] | Overdraft Restricted As To Use For ATM Funding Only [Member] | South Africa [Member]
Maximum borrowing capacity						14,424,000
Nedbank Limited [Member] | South African Credit Facility [Member] | Overdraft Restricted As To Use For ATM Funding Only [Member] | South Africa [Member]
Amount utilized						100,000	5,900,000		1,000,000				R 82,800,000
Nedbank Limited [Member] | South African Credit Facility [Member] | General Banking Facility [Member] | South Africa [Member]
Amount utilized						0			0
Nedbank Limited [Member] | South African Credit Facility [Member] | Nedbank Short-Term Credit Facility [Member] | South Africa [Member]
Maximum borrowing capacity						26,000,000	2,700,000		450,000,000
Total overdraft facilities withdrawn							8,600,000
Net of total overdraft facilities withdrawn							5,900,000
Nedbank Limited [Member] | Overdraft Facility [Member] | South Africa [Member]
Maximum borrowing capacity						2,885,000
Amount utilized						58,000	5,880,000	0
Nedbank Limited [Member] | Overdraft Facility [Member] | Overdraft Restricted As To Use For ATM Funding Only [Member] | South Africa [Member]
Amount utilized						58,000	5,880,000
Primary amount, available immediately						14,400,000			250,000,000
Nedbank Limited [Member] | Overdraft Facility [Member] | General Banking Facility [Member] | South Africa [Member]
Primary amount, available immediately						2,900,000			50,000,000
Nedbank Limited [Member] | Overdraft Facility [Member] | Nedbank Short-Term Credit Facility [Member] | South Africa [Member]
Maximum borrowing capacity						12,400,000
Net of total overdraft facilities withdrawn						100,000
Carrying value of short term borrowings						$ 12,400,000
Debt instrument interest rate						6.10%
Primary amount, available immediately						$ 17,300,000			300,000,000
Commitment fee per annum payable on monthly unutilized amount						0.35%
Nedbank Limited [Member] | Overdraft Facility [Member] | Nedbank Short-Term Credit Facility [Member] | South Africa [Member] | Subsequent Event [Member]
Debt instrument interest rate	5.85%
Nedbank Limited [Member] | Indirect And Derivative Facilities [Member] | South Africa [Member]
Maximum borrowing capacity						$ 8,654,000
Amount utilized						5,398,000	6,643,000	7,871,000
Nedbank Limited [Member] | Indirect And Derivative Facilities [Member] | Nedbank Short-Term Credit Facility [Member] | South Africa [Member]
Amount utilized						5,400,000	6,600,000		93,600,000				R 93,600,000
Primary amount, available immediately						8,700,000			R 150,000,000
Bank Frick [Member] | United States [Member]
Maximum borrowing capacity						0
Bank Frick [Member] | Overdraft Restricted As To Use For ATM Funding Only [Member] | United States [Member]
Maximum borrowing capacity						0
Bank Frick [Member] | Overdraft Facility [Member] | United States [Member]
Maximum borrowing capacity						0								$ 20,000,000
Amount utilized						0	9,544,000	0
Bank Frick [Member] | Overdraft Facility [Member] | Renewed [Member] | United States [Member]
Maximum borrowing capacity																$ 10,000,000
Amount utilized						13,900,000
Bank Frick [Member] | Overdraft Facility [Member] | Overdraft Restricted As To Use For ATM Funding Only [Member] | United States [Member]
Amount utilized						0	0
Credit facility settled in full and cancelled		$ 20,000,000
Bank Frick [Member] | Indirect And Derivative Facilities [Member] | United States [Member]
Maximum borrowing capacity						0
Amount utilized						0	0	0
RMB Loan Facilities [Member] | South Africa [Member] | Net1 SA [Member] | Long-term Debt [Member]
Interest expense incurred						$ 600,000	7,200,000	2,900,000
RMB Loan Facilities [Member] | Amended July 2017 [Member] | South Africa [Member] | Net1 SA [Member] | Long-term Debt [Member]
Maximum borrowing capacity | R																							R 1,250,000,000
Prepaid credit facility fees							$ 300,000	$ 500,000
Non-refundable origination fee																				$ 200,000		$ 600,000
RMB Loan Facilities [Member] | Amended July 2017 [Member] | Amendment [Member] | South Africa [Member] | Facility D [Member] | Net1 SA [Member] | Long-term Debt [Member]
Maximum borrowing capacity | R																					R 210,000,000
RMB Loan Facilities [Member] | DNI Credit Facility Agreement [Member] | South Africa [Member] | Revolving Credit Facility [Member] | DNI [Member] | Long-term Debt [Member]
Maximum borrowing capacity | R																			R 200,000,000
Credit facility expiration period							3 years
Non-refundable origination fee																	$ 200,000	R 2,300,000
RMB Loan Facilities [Member] | JIBAR [Member] | DNI Credit Facility Agreement [Member] | South Africa [Member] | Revolving Credit Facility [Member] | DNI [Member] | Long-term Debt [Member]
Debt instrument variable interest rate							2.75%
RMB Loan Facilities [Member] | South African Credit Facility [Member] | Prime Rate [Member] | Amended July 2017 [Member] | Amendment [Member] | South Africa [Member] | Facility E [Member] | Net1 SA [Member]
Debt instrument variable interest rate						7.25%
RMB Loan Facilities [Member] | South African Credit Facility [Member] | Prime Rate [Member] | Amended July 2017 [Member] | Amendment [Member] | South Africa [Member] | Facility E [Member] | Net1 SA [Member] | Subsequent Event [Member]
Debt instrument variable interest rate	7.00%