Fair Value Measurement - Summary of Fair Value of Assets and Liabilities Measured on Recurring Basis (Details) - Fair Value, Recurring - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Assets
Cash equivalents:	$ 1,435,689	$ 381,049
Short-term investments:	1,108,493	655,314
Funds held for customers:	1,284,718	914,328
Beneficial interest derivative on card receivables sold	398	2,252
Total assets measured at fair value	3,997,558	2,039,265
Municipal bonds
Assets
Funds held for customers:	6,516	42,957
Money market funds
Assets
Cash equivalents:	1,424,259	365,550
Certificates of deposit
Assets
Short-term investments:	38,155	6,775
Funds held for customers:	397,533	326,927
Corporate bonds
Assets
Cash equivalents:	11,430	15,499
Short-term investments:	597,204	466,459
Funds held for customers:	807,685	516,350
Corporate bonds | Restricted cash equivalents
Assets
Funds held for customers:	133,557	79,435
U.S. treasury securities
Assets
Short-term investments:	421,728	155,674
Funds held for customers:	3,072	3,009
Asset-backed securities
Assets
Short-term investments:	51,406	26,406
Funds held for customers:	69,912	25,085
Restricted cash equivalents | Restricted cash equivalents
Assets
Funds held for customers:	168,260	86,322
Restricted cash equivalents | Money market funds
Assets
Funds held for customers:	34,703	6,887
Level 1
Assets
Cash equivalents:	1,424,259	365,550
Short-term investments:	421,728	155,674
Funds held for customers:	3,072	3,009
Beneficial interest derivative on card receivables sold	0	0
Total assets measured at fair value	1,883,762	531,120
Level 1 | Municipal bonds
Assets
Funds held for customers:	0	0
Level 1 | Money market funds
Assets
Cash equivalents:	1,424,259	365,550
Level 1 | Certificates of deposit
Assets
Short-term investments:	0	0
Funds held for customers:	0	0
Level 1 | Corporate bonds
Assets
Cash equivalents:	0	0
Short-term investments:	0	0
Funds held for customers:	0	0
Level 1 | Corporate bonds | Restricted cash equivalents
Assets
Funds held for customers:	0	0
Level 1 | U.S. treasury securities
Assets
Short-term investments:	421,728	155,674
Funds held for customers:	3,072	3,009
Level 1 | Asset-backed securities
Assets
Short-term investments:	0	0
Funds held for customers:	0	0
Level 1 | Restricted cash equivalents | Restricted cash equivalents
Assets
Funds held for customers:	34,703	6,887
Level 1 | Restricted cash equivalents | Money market funds
Assets
Funds held for customers:	34,703	6,887
Level 2
Assets
Cash equivalents:	11,430	15,499
Short-term investments:	686,765	499,640
Funds held for customers:	1,281,646	911,319
Beneficial interest derivative on card receivables sold	0	0
Total assets measured at fair value	2,113,398	1,505,893
Level 2 | Municipal bonds
Assets
Funds held for customers:	6,516	42,957
Level 2 | Money market funds
Assets
Cash equivalents:	0	0
Level 2 | Certificates of deposit
Assets
Short-term investments:	38,155	6,775
Funds held for customers:	397,533	326,927
Level 2 | Corporate bonds
Assets
Cash equivalents:	11,430	15,499
Short-term investments:	597,204	466,459
Funds held for customers:	807,685	516,350
Level 2 | Corporate bonds | Restricted cash equivalents
Assets
Funds held for customers:	133,557	79,435
Level 2 | U.S. treasury securities
Assets
Short-term investments:	0	0
Funds held for customers:	0	0
Level 2 | Asset-backed securities
Assets
Short-term investments:	51,406	26,406
Funds held for customers:	69,912	25,085
Level 2 | Restricted cash equivalents | Restricted cash equivalents
Assets
Funds held for customers:	133,557	79,435
Level 2 | Restricted cash equivalents | Money market funds
Assets
Funds held for customers:	0	0
Level 3
Assets
Cash equivalents:	0	0
Short-term investments:	0	0
Funds held for customers:	0	0
Beneficial interest derivative on card receivables sold	398	2,252
Total assets measured at fair value	398	2,252
Level 3 | Municipal bonds
Assets
Funds held for customers:	0	0
Level 3 | Money market funds
Assets
Cash equivalents:	0	0
Level 3 | Certificates of deposit
Assets
Short-term investments:	0	0
Funds held for customers:	0	0
Level 3 | Corporate bonds
Assets
Cash equivalents:	0	0
Short-term investments:	0	0
Funds held for customers:	0	0
Level 3 | Corporate bonds | Restricted cash equivalents
Assets
Funds held for customers:		0
Level 3 | U.S. treasury securities
Assets
Short-term investments:	0	0
Funds held for customers:	0	0
Level 3 | Asset-backed securities
Assets
Short-term investments:	0	0
Funds held for customers:	0	0
Level 3 | Restricted cash equivalents
Assets
Funds held for customers:	0	0
Level 3 | Restricted cash equivalents | Money market funds
Assets
Funds held for customers:	$ 0	$ 0