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Acquisitions (Tables) | 3 Months Ended
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Mar. 31, 2014
Business Combinations [Abstract] |
Schedule of Net Income (Loss) Attributable to Parent and Transfers to and from Noncontrolling Interest [Table Text Block] | 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 Loss Attributable to MDC Partners Inc. and Transfers (to) from the Noncontrolling Interest
|  | Three Months Ended March 31, |
|  | 2014 |  | 2013 |
Net loss attributable to MDC Partners Inc. |  | $ | (8,846) |  | $ | (43,158) |
Transfers to the noncontrolling interest: |  |  |  |  |  |  |
Increase (Decrease) in MDC Partners Inc. paid-in capital for purchase of equity interests in excess of Redeemable Noncontrolling Interests and Noncontrolling Iinterests |  |  | (4,798) |  |  | (1,059) |
Net transfers to noncontrolling interest |  | $ | (4,798) |  | $ | (1,059) |
Change from net loss attributable to MDC Partners Inc. and transfers to noncontrolling interest |  | $ | (13,644) |  | $ | (44,217) |

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- Definition Tabular disclosure of the net income loss attributable to parent and the transfers to and from noncontrolling interest. + References No definition available. + Details
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