Revenue - Disaggregation (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Revenue
Period of term arrangements not cancellable by client	2 years
Disaggregation of revenue
Total revenues from contracts	$ 180,824	$ 134,875
Maximum
Revenue
Period of notice to cancel by client	60 days
Recurring fees
Disaggregation of revenue
Total revenues from contracts	$ 174,697	129,692
Implementation services and other
Disaggregation of revenue
Total revenues from contracts	$ 6,127	$ 5,183