Equity-Based Compensation - Summary of Unvested Stock Option Activity (Details) - $ / shares	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Unvested Options
Unvested options, beginning balance (in shares)	39,674,590
Granted (in shares)	2,155,099
Early exercised unvested (in shares)	(20,240)
Vested (in shares)	(3,655,136)
Forfeited (in shares)	(477,321)
Unvested options, ending balance (in shares)	37,676,992
Unvested Options, Weighted-Average Grant Date Fair Value
Unvested options, weighted-average grant date fair value, beginning balance (in dollars per share)	$ 7.41
Unvested options, weighted-average grant date fair value, granted (in dollars per share)	33.43	$ 12.80
Unvested options, weighted-average grant date fair value, early exercised unvested (in dollars per share)	2.74
Unvested options, weighted-average grant date fair value, vested (in dollars per share)	6.09
Unvested options, weighted-average grant date fair value, forfeited (in dollars per share)	6.86
Unvested options, weighted-average grant date fair value, ending balance (in dollars per share)	$ 9.04