CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 293,814	$ 190,993	$ 406,328
Unrealized gain on marketable securities, net	0	30	15
Reclassifications to net income	(27)	0	0
Comprehensive income	293,787	191,023	406,343
Comprehensive income attributable to noncontrolling interest	69,412	33,705	11,272
Comprehensive income attributable to Innoviva stockholders	$ 224,375	$ 157,318	$ 395,071