CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Comprehensive income (loss)
Net income	$ 35,920	$ 71,461
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Foreign currency translation adjustment	(6,000)	2,371
Benefit plan adjustment	722	0
Net unrealized loss on available for sale investment	0	(5,156)
Other comprehensive income (loss)	(5,278)	(2,785)
Comprehensive income for the period	30,642	68,676
Comprehensive income attributable to the noncontrolling interests	(14,884)	(15,105)
Comprehensive income attributable to Stagwell Inc.	$ 15,758	$ 53,571