CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net Income	$ 229,347	$ 102,646	$ 288,576	$ 323,187
Comprehensive income	229,347	102,646	288,576	323,187
Comprehensive income (loss) attributable to noncontrolling interests	(36,176)	30,208	6,341	67,678
Comprehensive income attributable to Innoviva stockholders	$ 265,523	$ 72,438	$ 282,235	$ 255,509