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Acquisitions (Tables) | 9 Months Ended
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Sep. 30, 2014
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 nine months ended September 30, were as follows: Net Income (Loss) Attributable to MDC Partners Inc. and Transfers (to) from the Noncontrolling Interest
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2014 |  | 2013 |  | 2014 |  | 2013
Net income (loss) attributable to MDC Partners Inc. | $ | (4,922 | ) |  | $ | (21,200 | ) |  | $ | 2,702 |  |  | $ | (54,542 | )
Transfers to (from) 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 Interests | 109 |  |  | 1,531 |  |  | (6,129 | ) |  | 11,347 |
Net transfers to (from) noncontrolling interest | $ | 109 |  |  | $ | 1,531 |  |  | $ | (6,129 | ) |  | $ | 11,347 |
Change from net loss attributable to MDC Partners Inc. and transfers to non controlling interest | $ | (4,813 | ) |  | $ | (19,669 | ) |  | $ | (3,427 | ) |  | $ | (43,195 | )

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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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