Revenue Recognition (Revenue Disaggregated By Major Revenue Streams) (Details) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 153,568	$ 136,089
Revision Of Prior Period Error Correction Adjustment [Member]
Disaggregation of Revenue [Line Items]
Revenue	8,000
Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	21,072	15,580
Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	132,496	120,509
Processing Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	38,410	34,493
Processing Fees [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	7,530	5,733
Processing Fees [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	30,880	28,760
Prepaid Airtime Sold [Member]
Disaggregation of Revenue [Line Items]
Revenue	95,473	87,354
Prepaid Airtime Sold [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	17	41
Prepaid Airtime Sold [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	95,456	87,313
Account Holder Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,699	1,368
Account Holder Fees [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,699	1,368
Account Holder Fees [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0
Lending Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue	6,956	5,373
Lending Revenue [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	6,956	5,373
Lending Revenue [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0
Technology Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,138	2,056
Technology Products [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	2	19
Technology Products [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,136	2,037
Interest From Customers [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,676	1,520
Interest From Customers [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0
Interest From Customers [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,676	1,520
Insurance Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,340	2,611
Insurance Revenue [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,340	2,611
Insurance Revenue [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0
Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,876	1,314
Other [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	528	435
Other [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,348	879
South Africa [Member]
Disaggregation of Revenue [Line Items]
Revenue	145,756	129,875
South Africa [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	21,072	15,580
South Africa [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	124,684	114,295
South Africa [Member] \| Processing Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	36,608	33,133
South Africa [Member] \| Processing Fees [Member] \| Revision Of Prior Period Error Correction Adjustment [Member]
Disaggregation of Revenue [Line Items]
Revenue	(700)
South Africa [Member] \| Processing Fees [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	7,530	5,733
South Africa [Member] \| Processing Fees [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	29,078	27,400
South Africa [Member] \| Prepaid Airtime Sold [Member]
Disaggregation of Revenue [Line Items]
Revenue	89,593	82,600
South Africa [Member] \| Prepaid Airtime Sold [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	17	41
South Africa [Member] \| Prepaid Airtime Sold [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	89,576	82,559
South Africa [Member] \| Telecom Products And Services [Member] \| Revision Of Prior Period Error Correction Adjustment [Member]
Disaggregation of Revenue [Line Items]
Revenue	8,700
South Africa [Member] \| Technology Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,065	2,005
South Africa [Member] \| Technology Products [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	2	19
South Africa [Member] \| Technology Products [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,063	1,986
South Africa [Member] \| Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,819	1,265
South Africa [Member] \| Other [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	528	435
South Africa [Member] \| Other [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,291	830
Rest Of World [Member]
Disaggregation of Revenue [Line Items]
Revenue	7,812	6,214
Rest Of World [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0
Rest Of World [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	7,812	6,214
Rest Of World [Member] \| Processing Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,802	1,360
Rest Of World [Member] \| Processing Fees [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0
Rest Of World [Member] \| Processing Fees [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,802	1,360
Rest Of World [Member] \| Prepaid Airtime Sold [Member]
Disaggregation of Revenue [Line Items]
Revenue	5,880	4,754
Rest Of World [Member] \| Prepaid Airtime Sold [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0
Rest Of World [Member] \| Prepaid Airtime Sold [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	5,880	4,754
Rest Of World [Member] \| Technology Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	73	51
Rest Of World [Member] \| Technology Products [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0
Rest Of World [Member] \| Technology Products [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	73	51
Rest Of World [Member] \| Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	57	49
Rest Of World [Member] \| Other [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0
Rest Of World [Member] \| Other [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 57	$ 49