Revenue, Performance Obligations, Deferred Revenue and Unbilled Revenue - Schedule of Revenue from Subscription and Transaction Fees Disaggregated by Customer Category (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Disaggregation Of Revenue [Line Items]
Total revenue	$ 116,403	$ 46,209
Subscription and Transaction Fees
Disaggregation Of Revenue [Line Items]
Total revenue	115,612	43,788
Subscription and Transaction Fees | Small-to-midsize Business and Accounting Firm Customers
Disaggregation Of Revenue [Line Items]
Total revenue	111,656	40,899
Subscription and Transaction Fees | Financial Institution Customers
Disaggregation Of Revenue [Line Items]
Total revenue	3,956	2,889
Interest on Funds Held for Customers
Disaggregation Of Revenue [Line Items]
Total revenue	$ 791	$ 2,421