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Acquisitions (Tables) | 9 Months Ended
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Sep. 30, 2012
Business Combinations [Abstract] |
Schedule of Net Income (Loss) Attributable to Parent and Transfers to and from Noncontrolling Interest [Table Text Block] | The actual adjustments that the Company will ultimately make in finalizing the allocation of purchase price to fair value of the net assets acquired, will depend on a number of factors, including additional information such as changes in the unaudited financial statements. 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, |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Net loss attributable to MDC Partners Inc. |  | $ | (14,496 | ) |  | $ | (19,574 | ) |  | $ | (60,891 | ) |  | $ | (26,934 | )
Transfers to the noncontrolling interests: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) in MDC Partners Inc. paid-in capital for purchase of equity interests in excess of Redeemable Noncontrolling Interests |  |  | 5,263 |  |  |  | (6,954 | ) |  |  | 2,023 |  |  |  | (6,450 | )
Decrease in MDC Partners Inc. paid-in capital from issuance of equity interest |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (1,147 | )
Net transfers to (from) noncontrolling interests |  | $ | 5,263 |  |  | $ | (6,954 | ) |  | $ | 2,023 |  |  | $ | (7,597 | )
Change from net loss attributable to MDC Partners Inc. and transfers to noncontrolling interests |  | $ | (9,233 | ) |  | $ | (26,528 | ) |  | $ | (58,868 | ) |  | $ | (34,531 | )

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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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- Details
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