Revenue Recognition (Revenue Disaggregated By Major Revenue Streams) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 176,216	$ 143,893	$ 329,784	$ 279,982
Revision Of Prior Period Error Correction Adjustment [Member]
Disaggregation of Revenue [Line Items]
Revenue	29,400		37,400
Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	144,615	116,268	267,679	227,631
Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	22,929	16,707	44,001	32,287
Enterprise Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	8,672	10,918	18,104	20,064
Processing Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	49,481	35,979	87,891	70,472
Processing Fees [Member] | Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	35,794	22,984	60,162	45,310
Processing Fees [Member] | Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	7,862	6,175	15,392	11,908
Processing Fees [Member] | Enterprise Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	5,825	6,820	12,337	13,254
Technology Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	9,373	3,215	12,511	5,271
Technology Products [Member] | Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	8,121	557	9,966	1,068
Technology Products [Member] | Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	65	12	67	31
Technology Products [Member] | Enterprise Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,187	2,646	2,478	4,172
Prepaid Airtime Sold [Member]
Disaggregation of Revenue [Line Items]
Revenue	99,871	92,011	195,344	179,365
Prepaid Airtime Sold [Member] | Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	98,188	90,620	192,066	176,856
Prepaid Airtime Sold [Member] | Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	23	52	40	93
Prepaid Airtime Sold [Member] | Enterprise Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,660	1,339	3,238	2,416
Lending Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue	7,376	5,586	14,332	10,959
Lending Revenue [Member] | Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Lending Revenue [Member] | Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	7,376	5,586	14,332	10,959
Lending Revenue [Member] | Enterprise Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Interest From Customers [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,730	1,453	3,406	2,973
Interest From Customers [Member] | Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,610	1,453	3,286	2,973
Interest From Customers [Member] | Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	120	0	120	0
Interest From Customers [Member] | Enterprise Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Insurance Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,868	2,897	9,208	5,508
Insurance Revenue [Member] | Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Insurance Revenue [Member] | Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,868	2,897	9,208	5,508
Insurance Revenue [Member] | Enterprise Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Account Holder Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,765	1,502	3,464	2,870
Account Holder Fees [Member] | Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Account Holder Fees [Member] | Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,765	1,502	3,464	2,870
Account Holder Fees [Member] | Enterprise Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,752	1,250	3,628	2,564
Other [Member] | Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	902	654	2,199	1,424
Other [Member] | Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	850	483	1,378	918
Other [Member] | Enterprise Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	113	51	222
South Africa [Member]
Disaggregation of Revenue [Line Items]
Revenue	167,453	137,346	313,209	267,221
South Africa [Member] | Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	135,852	109,721	251,104	214,870
South Africa [Member] | Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	22,929	16,707	44,001	32,287
South Africa [Member] | Enterprise Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	8,672	10,918	18,104	20,064
South Africa [Member] | Processing Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	47,618	34,523	84,226	67,656
South Africa [Member] | Processing Fees [Member] | Revision Of Prior Period Error Correction Adjustment [Member]
Disaggregation of Revenue [Line Items]
Revenue	(2,100)		(2,800)
South Africa [Member] | Processing Fees [Member] | Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	33,931	21,528	56,497	42,494
South Africa [Member] | Processing Fees [Member] | Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	7,862	6,175	15,392	11,908
South Africa [Member] | Processing Fees [Member] | Enterprise Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	5,825	6,820	12,337	13,254
South Africa [Member] | Technology Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	9,309	3,176	12,374	5,181
South Africa [Member] | Technology Products [Member] | Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	8,057	518	9,829	978
South Africa [Member] | Technology Products [Member] | Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	65	12	67	31
South Africa [Member] | Technology Products [Member] | Enterprise Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,187	2,646	2,478	4,172
South Africa [Member] | Prepaid Airtime Sold [Member]
Disaggregation of Revenue [Line Items]
Revenue	93,092	87,009	182,685	169,609
South Africa [Member] | Prepaid Airtime Sold [Member] | Revision Of Prior Period Error Correction Adjustment [Member]
Disaggregation of Revenue [Line Items]
Revenue	31,500		40,300
South Africa [Member] | Prepaid Airtime Sold [Member] | Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	91,409	85,618	179,407	167,100
South Africa [Member] | Prepaid Airtime Sold [Member] | Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	23	52	40	93
South Africa [Member] | Prepaid Airtime Sold [Member] | Enterprise Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,660	1,339	3,238	2,416
South Africa [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,695	1,200	3,514	2,465
South Africa [Member] | Other [Member] | Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	845	604	2,085	1,325
South Africa [Member] | Other [Member] | Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	850	483	1,378	918
South Africa [Member] | Other [Member] | Enterprise Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	113	51	222
Rest Of Africa [Member]
Disaggregation of Revenue [Line Items]
Revenue	8,763	6,547	16,575	12,761
Rest Of Africa [Member] | Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	8,763	6,547	16,575	12,761
Rest Of Africa [Member] | Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Rest Of Africa [Member] | Enterprise Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Rest Of Africa [Member] | Processing Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,863	1,456	3,665	2,816
Rest Of Africa [Member] | Processing Fees [Member] | Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,863	1,456	3,665	2,816
Rest Of Africa [Member] | Processing Fees [Member] | Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Rest Of Africa [Member] | Processing Fees [Member] | Enterprise Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Rest Of Africa [Member] | Technology Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	64	39	137	90
Rest Of Africa [Member] | Technology Products [Member] | Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	64	39	137	90
Rest Of Africa [Member] | Technology Products [Member] | Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Rest Of Africa [Member] | Technology Products [Member] | Enterprise Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Rest Of Africa [Member] | Prepaid Airtime Sold [Member]
Disaggregation of Revenue [Line Items]
Revenue	6,779	5,002	12,659	9,756
Rest Of Africa [Member] | Prepaid Airtime Sold [Member] | Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	6,779	5,002	12,659	9,756
Rest Of Africa [Member] | Prepaid Airtime Sold [Member] | Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Rest Of Africa [Member] | Prepaid Airtime Sold [Member] | Enterprise Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Rest Of Africa [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	57	50	114	99
Rest Of Africa [Member] | Other [Member] | Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	57	50	114	99
Rest Of Africa [Member] | Other [Member] | Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Rest Of Africa [Member] | Other [Member] | Enterprise Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 0	$ 0	$ 0	$ 0