Funds Held for Customers - Additional Information (Details)	Jun. 30, 2022 USD ($) InvestmentPosition	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)
Funds Held For Customers [Line Items]
Amortized Cost	$ 1,286,844,000	$ 914,334,000
Fair value	$ 1,284,718,000	$ 914,328,000
Debt securities percentage mature within one year	95.00%	97.00%
Debt securities mature within one year	$ 1,200,000,000	$ 882,400,000
Debt securities percentage mature thereafter	5.00%	3.00%
Debt securities mature thereafter	$ 69,900,000	$ 31,900,000
Number of unrealized loss investment positions | InvestmentPosition	180
Short-term investments realized gains or losses	$ 0	0	$ 0
Allowance for credit losses on investments that were in an unrealized loss position	$ 0	0
Minimum
Funds Held For Customers [Line Items]
Number of investment positions | InvestmentPosition	400
Accrued Interest Receivable
Funds Held For Customers [Line Items]
Amortized Cost	$ 3,000,000	1,900,000
Fair value	$ 3,000,000	$ 1,900,000