Operations by Segments and Geographic Areas - Schedule of Disaggregated Revenue by Major Product Classification (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Total revenues	$ 131,836	$ 120,885	$ 384,228	$ 349,274
Subscriptions
Disaggregation of Revenue [Line Items]
Total revenues	112,135	99,939	324,113	283,721
Software
Disaggregation of Revenue [Line Items]
Total revenues	1,006	1,092	3,086	3,871
Professional Services, Maintenance and Other
Disaggregation of Revenue [Line Items]
Total revenues	18,695	19,854	57,029	61,682
Payment Platforms
Disaggregation of Revenue [Line Items]
Total revenues	37,994	29,163	107,773	82,072
Payment Platforms | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	37,994	29,163	107,773	82,072
Payment Platforms | Subscriptions | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	37,616	28,950	106,841	81,662
Payment Platforms | Software | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Payment Platforms | Professional Services, Maintenance and Other | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	378	213	932	410
Banking Solutions
Disaggregation of Revenue [Line Items]
Total revenues	51,181	47,211	148,821	136,689
Banking Solutions | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	51,181	47,211	148,821	136,689
Banking Solutions | Subscriptions | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	44,351	40,436	128,380	115,687
Banking Solutions | Software | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	1	66	106	181
Banking Solutions | Professional Services, Maintenance and Other | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	6,829	6,709	20,335	20,821
Legal Spend Management
Disaggregation of Revenue [Line Items]
Total revenues	21,957	22,147	66,476	64,546
Legal Spend Management | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	21,957	22,147	66,476	64,546
Legal Spend Management | Subscriptions | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	21,947	22,144	66,456	64,540
Legal Spend Management | Software | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Legal Spend Management | Professional Services, Maintenance and Other | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	10	3	20	6
Traditional Solutions
Disaggregation of Revenue [Line Items]
Total revenues	16,444	18,810	48,320	53,384
Traditional Solutions | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	16,444	18,810	48,320	53,384
Traditional Solutions | Subscriptions | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	7,006	7,582	19,108	18,878
Traditional Solutions | Software | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	525	740	1,401	2,127
Traditional Solutions | Professional Services, Maintenance and Other | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	8,913	10,488	27,811	32,379
Other
Disaggregation of Revenue [Line Items]
Total revenues	4,260	3,554	12,838	12,583
Other | Other
Disaggregation of Revenue [Line Items]
Total revenues	4,260	3,554	12,838	12,583
Other | Subscriptions | Other
Disaggregation of Revenue [Line Items]
Total revenues	1,215	827	3,328	2,954
Other | Software | Other
Disaggregation of Revenue [Line Items]
Total revenues	480	286	1,579	1,563
Other | Professional Services, Maintenance and Other | Other
Disaggregation of Revenue [Line Items]
Total revenues	$ 2,565	$ 2,441	$ 7,931	$ 8,066