Stockholders' Equity - Summary of Stock Based Compensation from Stock Options, RSUs and ESPP (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total amount charged to operating loss	$ 65,880	$ 65,500	$ 120,541	$ 130,647
Property and equipment (capitalized internal-use software)	3,246	1,909	5,925	4,231
Total stock-based compensation	69,126	67,409	126,466	134,878	$ 134,878
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	608	486	1,135	856
Cost of revenue - service costs
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total amount charged to operating loss	2,579	2,388	4,732	4,934
Research and development
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total amount charged to operating loss	29,270	26,160	52,903	53,526
Sales and marketing
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total amount charged to operating loss	10,480	12,789	21,274	26,674
General and administrative
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total amount charged to operating loss	22,943	20,322	40,497	41,302
Restructuring
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total amount charged to operating loss	$ 0	$ 3,355	$ 0	$ 3,355