Funds Held for Customers - Summary of Fair Value of Funds Held For Customers (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 30, 2022
Funds Held For Customers [Line Items]
Amortized cost	$ 1,385,733	$ 1,286,844
Gross unrealized gains	12	1
Gross unrealized losses	(2,082)	(2,127)
Fair value	1,383,663	1,284,718
Certificates of deposit
Funds Held For Customers [Line Items]
Amortized cost	413,178	397,533
Gross unrealized gains	0	0
Gross unrealized losses	0	0
Fair value	413,178	397,533
Municipal bonds
Funds Held For Customers [Line Items]
Amortized cost	5,026	6,542
Gross unrealized gains	0	0
Gross unrealized losses	(6)	(26)
Fair value	5,020	6,516
Corporate bonds
Funds Held For Customers [Line Items]
Amortized cost	851,872	809,113
Gross unrealized gains	11	1
Gross unrealized losses	(1,270)	(1,429)
Fair value	850,613	807,685
Asset Backed Securities
Funds Held For Customers [Line Items]
Amortized cost	78,291	70,574
Gross unrealized gains	0	0
Gross unrealized losses	(697)	(662)
Fair value	77,594	69,912
U.S. treasury securities
Funds Held For Customers [Line Items]
Amortized cost	37,366	3,082
Gross unrealized gains	1	0
Gross unrealized losses	(109)	(10)
Fair value	$ 37,258	$ 3,072