Segment Information (Tables)

12 Months Ended

Dec. 31, 2016

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

	For the year ended December 31, 2016
	Reportable Segment			All Other			Corporate			Total
Revenue	$	1,147,173		238,612			—			1,385,785
Cost of services sold	775,129			161,004			—			936,133
Office and general expenses	223,823			39,895			42,533			306,251
Depreciation and amortization	33,848			11,013			1,585			46,446
Goodwill impairment	—			48,524			—			48,524
Operating profit (loss)	114,373			(21,824		)	(44,118		)	48,431
Other Income (Expense):
Other income, net										414
Foreign exchange loss										(213		)
Interest expense, finance charges, and loss on redemption of notes, net										(98,348		)
Loss from continuing operations before income taxes and equity in earnings of non-consolidated affiliates										(49,716		)
Income tax benefit										(7,301		)
Loss from continuing operations before equity in earnings of non-consolidated affiliates										(42,415		)
Equity in losses of non-consolidated affiliates										(309		)
Net loss										(42,724		)
Net income attributable to noncontrolling interests	(3,676		)	(1,542		)	—			(5,218		)
Net loss attributable to MDC Partners Inc.										(47,942		)
Stock-based compensation	$	14,143		$	4,335		$	2,525		$	21,003
Capital expenditures from continuing operations	$	26,856		$	2,543		$	33		$	29,432
Goodwill and intangibles	$	742,454		$	187,376		$	—		$	929,830
Total assets	$	1,150,318		$	266,316		$	160,744		$	1,577,378

	For the year ended December 31, 2015
	Reportable Segment			All other			Corporate			Total
Revenue	$	1,101,675		$	224,581		$	—		$	1,326,256
Cost of services sold	724,749			154,967			—			879,716
Office and general expenses	208,837			49,972			63,398			322,207
Depreciation and amortization	32,501			17,948			1,774			52,223
Operating profit (loss)	135,588			1,694			(65,172		)	72,110
Other Income (Expense):
Other income, net										7,238
Foreign exchange loss										(39,328		)
Interest expense and finance charges, net										(57,436		)
Loss from continuing operations before income taxes and equity in earnings of non-consolidated affiliates										(17,416		)
Income tax expense										5,664
Loss from continuing operations before equity in earnings of non-consolidated affiliates										(23,080		)
Equity in earnings of non-consolidated affiliates										1,058
Loss from continuing operations										(22,022		)
Loss from discontinued operations attributable to MDC Partners Inc., net of taxes										(6,281		)
Net loss										(28,303		)
Net income attributable to noncontrolling interests	(7,202		)	(1,822		)	(30		)	(9,054		)
Net loss attributable to MDC Partners Inc.										$	(37,357	)
Stock-based compensation	$	10,231		$	4,825		$	2,740		$	17,796
Capital expenditures from continuing operations	$	21,434		$	1,770		$	371		$	23,575
Goodwill and intangibles	$	699,730		$	242,953		$	—		$	942,683
Total assets	$	1,057,512		$	317,861		$	202,252		$	1,577,625

	For the year ended December 31, 2014
	Reportable Segment			All other			Corporate			Total
Revenue	$	991,245		$	232,267		$	—		$	1,223,512
Cost of services sold	631,635			166,883			—			798,518
Office and general expenses	188,757			35,024			66,292			290,073
Depreciation and amortization	30,631			14,756			1,785			47,172
Operating profit (loss)	140,222			15,604			(68,077		)	87,749
Other Income (Expense):
Other income, net										689
Foreign exchange loss										(18,482		)
Interest expense and finance charges, net										(54,847		)
Income from continuing operations before income taxes and equity in earnings of non-consolidated affiliates										15,109
Income tax expense										12,422
Income from continuing operations before equity in earnings of non-consolidated affiliates										2,687
Equity in earnings of non-consolidated affiliates										1,406
Income from continuing operations										4,093
Loss from discontinued operations attributable to MDC Partners Inc., net of taxes										(21,260		)
Net loss										(17,167		)
Net income attributable to noncontrolling interests	(5,398		)	(1,492		)	—			(6,890		)
Net loss attributable to MDC Partners Inc.										$	(24,057	)
Stock-based compensation	$	8,559		$	3,474		$	5,663		$	17,696
Capital expenditures from continuing operations	$	23,280		$	1,799		$	1,337		$	26,416
Goodwill and intangibles	$	715,092		$	222,402		$	—		$	937,494
Total assets	$	1,052,419		$	315,717		$	280,754		$	1,648,890

Schedule Of Fixed Assets Goodwill Intangibles Net

A summary of the Company’s long-lived assets, comprised of fixed assets, goodwill and intangibles, net, as at December 31, is set forth in the following table.

	United States		Canada		Other		Total
Long-lived Assets
2016	$	67,617	$	5,887	$	4,873	$	78,377
2015	$	52,305	$	6,817	$	4,435	$	63,557
Goodwill and Intangible Assets
2016	$	736,334	$	121,987	$	71,509	$	929,830
2015	$	798,746	$	122,821	$	21,116	$	942,683

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas

A summary of the Company’s revenue as at December 31 is set forth in the following table.

	United States		Canada		Other		Total
Revenue:
2016	$	1,103,714	$	124,101	$	157,970	$	1,385,785
2015	$	1,085,051	$	129,039	$	112,166	$	1,326,256
2014	$	993,474	$	150,390	$	79,648	$	1,223,512