Funds Held for Customers - Summary of Funds Held for Customers (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
Funds Held For Customers [Line Items]
Total funds held for customers	$ 3,044,234	$ 2,209,248
Total funds held for customers, net of income earned by the Company	3,043,540	2,208,598
Other Current Assets
Funds Held For Customers [Line Items]
Less - income earned by the Company	(694)	(650)
Certificates of Deposit
Funds Held For Customers [Line Items]
Total funds held for customers	390,144	326,927
Restricted Cash
Funds Held For Customers [Line Items]
Total funds held for customers	1,667,466	1,195,904
Restricted Cash Equivalents
Funds Held For Customers [Line Items]
Total funds held for customers	124,132	86,322
Funds Receivable
Funds Held For Customers [Line Items]
Total funds held for customers	26,241	12,694
Corporate Bonds
Funds Held For Customers [Line Items]
Total funds held for customers	763,268	516,350
Asset Backed Securities
Funds Held For Customers [Line Items]
Total funds held for customers	57,397	25,085
U.S. Treasury Securities
Funds Held For Customers [Line Items]
Total funds held for customers	6,074	3,009
Municipal Bonds
Funds Held For Customers [Line Items]
Total funds held for customers	$ 9,512	$ 42,957