Funds Held for Customers - Additional Information (Details)	3 Months Ended
	Sep. 30, 2023 USD ($) InvestmentPosition	Sep. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)
Funds Held For Customers [Line Items]
Amortized Cost	$ 423,914,000		$ 847,012,000
Fair value	$ 423,576,000		$ 846,404,000
Debt securities percentage mature within one year	90.00%		93.00%
Debt securities mature within one year	$ 382,400,000		$ 785,300,000
Debt securities percentage mature thereafter	10.00%		7.00%
Debt securities mature thereafter	$ 41,100,000		$ 61,100,000
Number of unrealized loss investment positions | InvestmentPosition	30
Number of investment positions | InvestmentPosition	120
Funds held for customers, continuous unrealized loss position, less than 12 months	$ 122,100,000		191,000,000
Funds held for customers, continuous unrealized loss position, 12 months or longer	13,500,000		11,500,000
Significant realized gains (loss) on funds held for customers	0	$ 0
Accrued Interest Receivable
Funds Held For Customers [Line Items]
Amortized Cost	3,700,000		6,900,000
Fair value	$ 3,700,000		$ 6,900,000