CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Cash flows from operating activities:
Net income (loss)	$ (5,550)	$ 42,460
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Stock-based compensation	123,061	120,541
Amortization of intangible assets	30,330	31,595
Depreciation of property and equipment	11,454	6,679
Amortization of capitalized internal-use software costs and other paid in cash	17,117	7,833
Amortization of debt discount and issuance costs	3,235	1,896
Accretion of discount on investments in marketable debt securities	(13,886)	(21,672)
Accretion of discount on loans held for investment	(13,677)	(9,960)
Gain on debt extinguishment	0	(40,550)
Provision for expected credit losses on acquired card receivables and other financial assets	38,720	42,019
Non-cash operating lease expense	4,069	4,107
Other	836	590
Changes in assets and liabilities:
Accounts receivable	(8,802)	(1,160)
Prepaid expenses and other current assets	12,913	(27,307)
Other assets	(210)	8,914
Accounts payable	(10,521)	(2,074)
Other accruals and current liabilities	19,182	7,011
Operating lease liabilities	(4,691)	(4,428)
Deferred revenue	(1,408)	804
Net cash provided by operating activities	202,172	167,298
Cash flows from investing activities:
Purchases of corporate and customer fund short-term investments	(683,133)	(1,210,567)
Proceeds from maturities and sales of corporate and customer fund short-term investments	781,454	1,102,750
Purchase of intangible assets	0	(2,868)
Purchases of loans held for investment	(510,284)	(380,673)
Principal repayments of loans held for investment	515,567	369,449
Acquired card receivables, net	(45,908)	6,950
Purchases of property and equipment	(2,791)	(399)
Capitalization of internal-use software costs	(25,986)	(13,759)
Other	(1,066)	(579)
Net cash provided by (used in) investing activities	27,853	(129,696)
Cash flows from financing activities:
Proceeds from issuance of convertible senior notes	0	1,400,000
Cash paid for convertible senior notes issuance costs	0	(23,100)
Payments for repurchase and settlement of convertible senior notes	(33,463)	(539,403)
Purchase of capped calls	0	(92,960)
Customer fund deposits liability	(16,628)	52,731
Prepaid card deposits	29,094	32,371
Repurchase of common stock	(215,796)	(400,001)
Proceeds from line of credit borrowings	150,000	0
Proceeds from exercise of stock options	834	2,252
Tax withholdings related to net share settlements of equity awards	(29,477)	(4,714)
Proceeds from issuance of common stock under the employee stock purchase plan	4,648	5,302
Other	(1,128)	0
Net cash provided by (used in) financing activities	(111,916)	432,478
Effect of exchange rate changes on cash, cash equivalents, restricted cash and restricted cash equivalents	73	(772)
Net increase in cash, cash equivalents, restricted cash, and restricted cash equivalents	118,182	469,308
Cash, cash equivalents, restricted cash, and restricted cash equivalents, beginning of period	3,550,885	3,351,399
Cash, cash equivalents, restricted cash, and restricted cash equivalents, end of period	3,669,067	3,820,707
Reconciliation of cash, cash equivalents, restricted cash, and restricted cash equivalents within the condensed consolidated balance sheets to the amounts shown in the condensed consolidated statements of cash flows above:
Cash and cash equivalents	1,094,530	1,566,271
Restricted cash included in other current assets	126,324	92,613
Restricted cash included in other assets	3,304	5,297
Restricted cash and restricted cash equivalents included in funds held for customers	2,444,909	2,156,526
Total cash, cash equivalents, restricted cash, and restricted cash equivalents, end of period	$ 3,669,067	$ 3,820,707