Revenue - Schedule of Revenue from Subscription and Transaction Fees Disaggregated by Customer Category (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Disaggregation Of Revenue [Line Items]
Total revenue	$ 272,555	$ 166,911	$ 762,485	$ 441,738
Subscription and Transaction Fees
Disaggregation Of Revenue [Line Items]
Total revenue	239,495	165,468	685,201	438,546
Subscription and Transaction Fees | Small-to-midsize businesses, accounting firms and other
Disaggregation Of Revenue [Line Items]
Total revenue	227,573	156,518	652,800	417,651
Subscription and Transaction Fees | Financial institutions
Disaggregation Of Revenue [Line Items]
Total revenue	11,922	8,950	32,401	20,895
Interest on Funds Held for Customers
Disaggregation Of Revenue [Line Items]
Total revenue	$ 33,060	$ 1,443	$ 77,284	$ 3,192