Revenue Recognition (Revenue Disaggregated By Major Revenue Streams) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 143,893	$ 136,068	$ 279,982	$ 260,854
Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	16,707	15,434	32,287	30,438
Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	127,186	120,634	247,695	230,416
Processing Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	35,979	35,006	70,472	68,838
Processing Fees [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	6,175	6,723	11,908	13,258
Processing Fees [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	29,804	28,283	58,564	55,580
Telecom Products And Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	92,011	81,818	179,365	157,938
Telecom Products And Services [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	52	6	93	6
Telecom Products And Services [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	91,959	81,812	179,272	157,932
Account Holder Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,502	1,410	2,870	2,821
Account Holder Fees [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,502	1,410	2,870	2,821
Account Holder Fees [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Lending Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue	5,586	4,569	10,959	9,280
Lending Revenue [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	5,586	4,569	10,959	9,280
Lending Revenue [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Technology Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,215	8,087	5,271	12,021
Technology Products [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	12	249	31	286
Technology Products [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,203	7,838	5,240	11,735
Interest From Customers [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,453	1,476	2,973	2,699
Interest From Customers [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Interest From Customers [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,453	1,476	2,973	2,699
Insurance Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,897	2,353	5,508	4,534
Insurance Revenue [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,897	2,353	5,508	4,534
Insurance Revenue [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,250	1,349	2,564	2,723
Other [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	483	124	918	253
Other [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	767	1,225	1,646	2,470
South Africa [Member]
Disaggregation of Revenue [Line Items]
Revenue	137,346	130,304	267,221	249,619
South Africa [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	16,707	15,434	32,287	30,438
South Africa [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	120,639	114,870	234,934	219,181
South Africa [Member] \| Processing Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	34,523	33,630	67,656	66,193
South Africa [Member] \| Processing Fees [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	6,175	6,723	11,908	13,258
South Africa [Member] \| Processing Fees [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	28,348	26,907	55,748	52,935
South Africa [Member] \| Telecom Products And Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	87,009	77,529	169,609	149,558
South Africa [Member] \| Telecom Products And Services [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	52	6	93	6
South Africa [Member] \| Telecom Products And Services [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	86,957	77,523	169,516	149,552
South Africa [Member] \| Technology Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,176	8,036	5,181	11,903
South Africa [Member] \| Technology Products [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	12	249	31	286
South Africa [Member] \| Technology Products [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,164	7,787	5,150	11,617
South Africa [Member] \| Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,200	1,301	2,465	2,631
South Africa [Member] \| Other [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	483	124	918	253
South Africa [Member] \| Other [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	717	1,177	1,547	2,378
Rest Of World [Member]
Disaggregation of Revenue [Line Items]
Revenue	6,547	5,764	12,761	11,235
Rest Of World [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Rest Of World [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	6,547	5,764	12,761	11,235
Rest Of World [Member] \| Processing Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,456	1,376	2,816	2,645
Rest Of World [Member] \| Processing Fees [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Rest Of World [Member] \| Processing Fees [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,456	1,376	2,816	2,645
Rest Of World [Member] \| Telecom Products And Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	5,002	4,289	9,756	8,380
Rest Of World [Member] \| Telecom Products And Services [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Rest Of World [Member] \| Telecom Products And Services [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	5,002	4,289	9,756	8,380
Rest Of World [Member] \| Technology Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	39	51	90	118
Rest Of World [Member] \| Technology Products [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Rest Of World [Member] \| Technology Products [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	39	51	90	118
Rest Of World [Member] \| Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	50	48	99	92
Rest Of World [Member] \| Other [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Rest Of World [Member] \| Other [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 50	$ 48	$ 99	$ 92