UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Comprehensive income (loss)
Net income	$ 33,622	$ 4,603
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Foreign currency translation adjustment	(5,347)	137
Other comprehensive income (loss)	(5,347)	137
Comprehensive income for the period	28,275	4,740
Comprehensive income attributable to the noncontrolling and redeemable noncontrolling interests	(20,947)	(238)
Comprehensive income attributable to Stagwell Inc. common shareholders	$ 7,328	$ 4,502