CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 179,722	$ 220,262	$ 368,837
Comprehensive income	179,722	220,262	368,837
Comprehensive income attributable to noncontrolling interests	0	6,341	102,983
Comprehensive income attributable to Innoviva stockholders	$ 179,722	$ 213,921	$ 265,854