Stockholders' Equity - Summary of Stock Based Compensation from Stock Options, RSUs and ESPP (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Oct. 31, 2022	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total amount charged to operating loss		$ 59,389	$ 63,790	$ 190,036	$ 255,852
Property and equipment (capitalized internal-use software)		1,934	2,531	6,165	7,053
Total stock-based compensation		61,323	66,321	196,201	262,905	$ 262,905
Stock-based compensation, CRO agreement	$ 52,200
Revenue - subscription and transaction fees | Subscription and transaction fees
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total amount charged to operating loss		446	0	1,303	0
Cost of revenue
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total amount charged to operating loss		2,190	2,421	7,124	6,720
Research and development
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total amount charged to operating loss		25,183	22,319	78,708	70,151
Sales and marketing
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total amount charged to operating loss		10,968	18,162	37,643	116,941
General and administrative
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total amount charged to operating loss		20,382	20,888	61,684	62,040
Restructuring
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total amount charged to operating loss		$ 220	$ 0	$ 3,574	$ 0