Stock-Based Compensation - Summary of weighted-average assumptions used to calculate estimated value of stock options (Parenthetical) (Details) - $ / shares	3 Months Ended
	Sep. 30, 2022		Mar. 31, 2022
Stock options | Innoviva [Member]
Valuation Assumptions
Weighted-average estimated fair value of stock options granted	$ 0	[1]	$ 0

[1] There were no options granted for the three months ended September 30, 2022.