CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities:
Net loss	$ (75,685)	$ (12,951)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	2,388	924
Stock-based compensation	37,887	9,894
Amortization of debt discount (accretion of debt premium) and issuance costs	556
Amortization of intangible assets	16,672
Amortization of premium (accretion of discount) on investments in marketable debt securities	2,857	46
Non-cash operating lease expense	1,960	765
Provision for losses on acquired card receivables	4,049
Deferred income taxes	(3,943)
Changes in assets and liabilities:
Accounts receivable	1,198	(790)
Prepaid expenses and other current assets	6,321	1,938
Other assets	(1,385)	(6,784)
Accounts payable	(732)	1,566
Other accruals and current liabilities	(17,930)	(4,504)
Operating lease liabilities	(792)	5,764
Other long-term liabilities	(121)	1,338
Deferred revenue	5,566	438
Net cash used in operating activities	(21,134)	(2,356)
Cash flows from investing activities:
Cash paid for acquisition, net of acquired cash and cash equivalents	(144,452)
Purchases of corporate and customer fund short-term investments	(608,552)	(343,345)
Proceeds from maturities of corporate and customer fund short-term investments	318,907	244,332
Proceeds from sale of corporate and customer fund short-term investments	17,234	33,286
Increase in other receivables included in funds held for customers	(946)	(1,522)
Increase in acquired card receivables	(31,717)
Purchases of property and equipment	(1,404)	(5,894)
Capitalization of internal-use software costs	(2,942)	(314)
Net cash used in investing activities	(453,872)	(73,457)
Cash flows from financing activities:
Proceeds from issuance of common stock upon public offering, net of underwriting discounts and other offering costs	1,341,597
Proceeds from issuance of convertible senior notes, net of discounts and issuance costs	562,704
Purchase of capped call	(37,893)
Increase in customer fund deposits liability	223,923	24,653
Proceeds from exercise of stock options	8,336	8,962
Proceeds from issuance of common stock under the employee stock purchase plan	5,726	4,327
Other	(282)	(664)
Net cash provided by financing activities	2,104,111	37,278
Effect of exchange rate changes on cash, cash equivalents, restricted cash and restricted cash equivalents	(172)
Net increase (decrease) in cash, cash equivalents, restricted cash, and restricted cash equivalents	1,628,933	(38,535)
Cash, cash equivalents, restricted cash, and restricted cash equivalents, beginning of period	1,809,692	1,592,377
Cash, cash equivalents, restricted cash, and restricted cash equivalents, end of period	3,438,625	1,553,842
Reconciliation of cash, cash equivalents, restricted cash, and restricted cash equivalents within the consolidated balance sheets to the amounts shown in the consolidated statements of cash flows above:
Cash and cash equivalents	2,013,433	564,153
Restricted cash included in other current assets	$ 16,619	$ 119
Restricted Cash, Current, Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssetsCurrent	us-gaap:OtherAssetsCurrent
Restricted cash included in other assets	$ 6,724
Restricted Cash, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Assets, Noncurrent	Other Assets, Noncurrent
Restricted cash and restricted cash equivalents included in funds held for customers	$ 1,401,849	$ 989,570
Total cash, cash equivalents, restricted cash, and restricted cash equivalents, end of period	$ 3,438,625	$ 1,553,842