Funds Held for Customers - Summary of Gross Unrealized Losses And Fair Values (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Jun. 30, 2021
Funds Held For Customers [Line Items]
Fair value	$ 316,651	$ 81,860
Unrealized losses	(221)	(39)
Municipal Bonds
Funds Held For Customers [Line Items]
Fair value	8,895
Unrealized losses	(10)
Corporate Bonds
Funds Held For Customers [Line Items]
Fair value	258,007	79,359
Unrealized losses	(156)	(38)
U.S. Treasury Securities
Funds Held For Customers [Line Items]
Fair value	6,104	2,501
Unrealized losses	(5)	$ (1)
Asset Backed Securities
Funds Held For Customers [Line Items]
Fair value	43,645
Unrealized losses	$ (50)