Acquisitions (Tables)
 3 Months Ended
Mar. 31, 2015
Business Combinations [Abstract]  
Schedule of Net Income (Loss) Attributable to Parent and Transfers to and from Noncontrolling Interest
Changes in the Company’s ownership interests in our less than 100% owned subsidiaries during the three months ended March 31, were as follows:
 
Net Income (Loss) Attributable to MDC Partners Inc. and
Transfers (to) from the Noncontrolling Interest
 
 
Three Months Ended March 31,
 
2015
 
2014
Net loss attributable to MDC Partners Inc.
$
(32,091
)
 
$
(8,846
)
Transfers from the noncontrolling Interest:
 
 
 
Decrease in MDC Partners Inc. paid in capital for purchase of equity interests in excess of Redeemable Noncontrolling Interests and Noncontrolling Interests
(2,917
)
 
(4,798
)
Net transfers from noncontrolling interest
$
(2,917
)
 
$
(4,798
)
Change from net loss attributable to MDC Partners Inc. and transfers to non controlling interest
$
(35,008
)
 
$
(13,644
)