Term Debt (Details) - Secured term loan - Innoviva Strategic Opportunities LLC - USD ($) $ in Millions			12 Months Ended
	Mar. 12, 2025	Mar. 04, 2024	Dec. 31, 2024	Jun. 30, 2025	Jun. 30, 2024	Mar. 31, 2024	Jul. 10, 2023	Jan. 10, 2023
Term Loan
Aggregate amount								$ 30.0
Interest rate (as a percent)				8.00%				8.00%
Gain (loss) on debt modification			$ 2.2
2023 Credit Agreement
Term Loan
Aggregate amount							$ 25.0
Interest rate (as a percent)							14.00%
Recognized at fair value							$ 21.2
Debt issuance cost and debt discount							$ 3.8
Effective interest rate (as a percent)				41.64%		27.31%
2024 Credit Agreement
Term Loan
Aggregate amount		$ 35.0
Interest rate (as a percent)		14.00%
Debt issuance costs		$ 0.1
Proceeds from secured debt		$ 35.0
Effective interest rate (as a percent)				12.68%	14.25%
March 2025 Credit Agreement
Term Loan
Aggregate amount	$ 10.0
Interest rate (as a percent)	14.00%
Proceeds from secured debt	$ 10.0
Effective interest rate (as a percent)				14.19%