Revenue from Contracts with Customers - Schedule of Revenues Disaggregated by Major Revenue Categories and by Occurrence (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation Of Revenue [Line Items]
Total revenues	$ 176,418	$ 159,443	$ 354,625	$ 312,745
Subscription Services
Disaggregation Of Revenue [Line Items]
Total revenues	50,263	43,416	102,761	86,175
Support And Maintenance
Disaggregation Of Revenue [Line Items]
Total revenues	37,561	38,150	76,070	77,288
Managed Services
Disaggregation Of Revenue [Line Items]
Total revenues	35,063	31,055	69,822	61,700
Transactional And Data Services
Disaggregation Of Revenue [Line Items]
Total revenues	38,429	30,882	76,037	58,099
Recurring Revenue
Disaggregation Of Revenue [Line Items]
Total revenues	161,316	143,503	324,690	283,262
Software License and Hardware
Disaggregation Of Revenue [Line Items]
Total revenues	5,521	7,916	10,492	14,115
Other Non-recurring Services
Disaggregation Of Revenue [Line Items]
Total revenues	9,581	8,024	19,443	15,368
Software, hardware, and other non-recurring
Disaggregation Of Revenue [Line Items]
Total revenues	$ 15,102	$ 15,940	$ 29,935	$ 29,483