Related Party Transactions (Details) - USD ($) $ in Thousands		1 Months Ended		3 Months Ended		12 Months Ended
	Feb. 04, 2021	Jan. 31, 2024	Jul. 31, 2018	Jun. 30, 2024	Jun. 30, 2023	Mar. 31, 2024
Related Party Transaction [Line Items]
Total revenue				$ 40,414	$ 60,864
Related Party | Glaxo Smith Kline Plc Collaboration Agreement
Related Party Transaction [Line Items]
Voting interest percentage				19.80%		19.90%
Related Party | TWF Agreement
Related Party Transaction [Line Items]
Total revenue				$ 200		$ 0
Related Party | TWF Agreement | Troper Wojcicki Foundation
Related Party Transaction [Line Items]
TWF agreement, period		5 years
Fees under initial SOW		$ 5,400		$ 800		$ 1,000
Related Party | Series F1 Redeemable Convertible Preferred Stock | Glaxo Smith Kline Plc Collaboration Agreement
Related Party Transaction [Line Items]
Redeemable convertible preferred stock purchase (in shares)			17,291,066
Related Party | Class A Common Stock | The Anne Wojcicki Foundation
Related Party Transaction [Line Items]
Subscription shares issued (in shares)	2,500,000