CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net Income	$ 21,371	$ 110,846	$ 59,229	$ 220,541
Comprehensive income	21,371	110,846	59,229	220,541
Comprehensive income attributable to noncontrolling interest	20,432	21,898	42,517	37,470
Comprehensive income attributable to Innoviva stockholders	$ 939	$ 88,948	$ 16,712	$ 183,071