CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 220,262	$ 368,837	$ 293,814
Reclassifications to net income	0	0	(27)
Comprehensive income	220,262	368,837	293,787
Comprehensive income attributable to noncontrolling interests	6,341	102,983	69,412
Comprehensive income attributable to Innoviva stockholders	$ 213,921	$ 265,854	$ 224,375