Segment Information (Tables)

3 Months Ended

Mar. 31, 2022

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

	Three Months Ended March 31,
	2022		2021
Revenue:	(Dollars in Thousands)
Integrated Agencies Network	$	378,372	$	69,898
Media Network	169,886		62,773
Communications Network	91,535		42,708
All Other	3,110		5,863
Total Revenue	$	642,903	$	181,242
Adjusted EBITDA:
Integrated Agencies Network	$	71,473	$	13,500
Media Network	29,164		4,688
Communications Network	15,937		7,974
All Other	(124)		(1,611)
Corporate	(15,038)		(709)
Total Adjusted EBITDA	$	101,412	$	23,842
Depreciation and amortization	$	(31,204)	$	(10,950)
Impairment and other losses	(557)		—
Stock-based compensation	(8,021)		—
Deferred acquisition consideration	(1,897)		(3,936)
Other items, net	(5,073)		(2,941)
Total Operating Income	$	54,660	$	6,015

	Three Months Ended March 31,
	2022		2021
	(Dollars in Thousands)
Other Income (expenses):
Interest expense, net	$	(18,729)	$	(1,351)
Foreign exchange, net	(306)		(677)
Other, net	156		1,285
Income before income taxes and equity in earnings of non-consolidated affiliates	35,781		5,272
Income tax expense	3,189		673
Income before equity in earnings of non-consolidated affiliates	32,592		4,599
Equity in income of non-consolidated affiliates	1,030		4
Net income	33,622		4,603
Net income attributable to noncontrolling and redeemable noncontrolling interests	(20,947)		(238)
Net income attributable to Stagwell Inc. common shareholders	$	12,675	$	4,365
Depreciation and amortization:
Integrated Agencies Network	$	20,211	$	2,666
Media Network	6,865		5,195
Communications Network	2,540		1,582
All Other	501		1,022
Corporate	1,087		485
Total	$	31,204	$	10,950
Stock-based compensation:
Integrated Agencies Network	$	5,547	$	—
Media Network	786		—
Communications Network	(243)		—
All Other	8		—
Corporate	1,923		—
Total	$	8,021	$	—