Funds Held for Customers - Summary of Fair Value of Funds Held For Customers (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023
Funds Held For Customers [Line Items]
Amortized cost	$ 423,914	$ 847,012
Gross unrealized gains	7	25
Gross unrealized losses	(345)	(633)
Fair value	423,576	846,404
Certificates of deposit
Funds Held For Customers [Line Items]
Amortized cost	93,316	233,290
Gross unrealized gains	1	1
Gross unrealized losses	0	0
Fair value	93,317	233,291
Corporate bonds
Funds Held For Customers [Line Items]
Amortized cost	199,138	433,936
Gross unrealized gains	5	18
Gross unrealized losses	(15)	(34)
Fair value	199,128	433,920
Asset-backed securities
Funds Held For Customers [Line Items]
Amortized cost	49,259	70,993
Gross unrealized gains	0	0
Gross unrealized losses	(172)	(332)
Fair value	49,087	70,661
U.S. agency securities
Funds Held For Customers [Line Items]
Amortized cost	27,502	27,484
Gross unrealized gains	1	5
Gross unrealized losses	(19)	(31)
Fair value	27,484	27,458
U.S. treasury securities
Funds Held For Customers [Line Items]
Amortized cost	54,699	81,309
Gross unrealized gains	0	1
Gross unrealized losses	(139)	(236)
Fair value	$ 54,560	$ 81,074