Revenue Recognition - Summary of Revenue Disaggregated by Major Product Category and the Related Financial Statement Classification of Revenue (Detail) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Total revenues	$ 108,176	$ 102,437
Subscriptions
Disaggregation of Revenue [Line Items]
Total revenues	80,066	69,768
Software licenses
Disaggregation of Revenue [Line Items]
Total revenues	2,576	4,512
Service and maintenance
Disaggregation of Revenue [Line Items]
Total revenues	24,825	27,405
Other
Disaggregation of Revenue [Line Items]
Total revenues	709	752
Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	108,176	102,437
Operating Segments | Settlement Network Solutions
Disaggregation of Revenue [Line Items]
Total revenues	32,255	31,179
Operating Segments | Settlement Network Solutions | Subscriptions
Disaggregation of Revenue [Line Items]
Total revenues	27,247	24,282
Operating Segments | Settlement Network Solutions | Software licenses
Disaggregation of Revenue [Line Items]
Total revenues	187	572
Operating Segments | Settlement Network Solutions | Service and maintenance
Disaggregation of Revenue [Line Items]
Total revenues	4,821	6,325
Operating Segments | Legal Spend Management Solutions
Disaggregation of Revenue [Line Items]
Total revenues	20,574	18,396
Operating Segments | Legal Spend Management Solutions | Subscriptions
Disaggregation of Revenue [Line Items]
Total revenues	20,574	18,396
Operating Segments | Banking Solutions
Disaggregation of Revenue [Line Items]
Total revenues	24,169	22,252
Operating Segments | Banking Solutions | Subscriptions
Disaggregation of Revenue [Line Items]
Total revenues	18,373	15,666
Operating Segments | Banking Solutions | Software licenses
Disaggregation of Revenue [Line Items]
Total revenues	516	1,326
Operating Segments | Banking Solutions | Service and maintenance
Disaggregation of Revenue [Line Items]
Total revenues	5,280	5,260
Operating Segments | Payments and Transactional Documents
Disaggregation of Revenue [Line Items]
Total revenues	26,771	26,234
Operating Segments | Payments and Transactional Documents | Subscriptions
Disaggregation of Revenue [Line Items]
Total revenues	12,880	10,569
Operating Segments | Payments and Transactional Documents | Software licenses
Disaggregation of Revenue [Line Items]
Total revenues	1,327	2,154
Operating Segments | Payments and Transactional Documents | Service and maintenance
Disaggregation of Revenue [Line Items]
Total revenues	11,871	12,759
Operating Segments | Payments and Transactional Documents | Other
Disaggregation of Revenue [Line Items]
Total revenues	693	752
Operating Segments | Health Care
Disaggregation of Revenue [Line Items]
Total revenues	1,884	2,143
Operating Segments | Health Care | Subscriptions
Disaggregation of Revenue [Line Items]
Total revenues	844	826
Operating Segments | Health Care | Software licenses
Disaggregation of Revenue [Line Items]
Total revenues	195	419
Operating Segments | Health Care | Service and maintenance
Disaggregation of Revenue [Line Items]
Total revenues	829	898
Operating Segments | Health Care | Other
Disaggregation of Revenue [Line Items]
Total revenues	16
Operating Segments | Other
Disaggregation of Revenue [Line Items]
Total revenues	2,523	2,233
Operating Segments | Other | Subscriptions
Disaggregation of Revenue [Line Items]
Total revenues	148	29
Operating Segments | Other | Software licenses
Disaggregation of Revenue [Line Items]
Total revenues	351	41
Operating Segments | Other | Service and maintenance
Disaggregation of Revenue [Line Items]
Total revenues	$ 2,024	$ 2,163