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Acquisitions and Dispositions (Tables) | 6 Months Ended
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Jun. 30, 2018
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 June 30, 2018 and 2017 were as follows: Net Income (Loss) Attributable to MDC Partners Inc. and Transfers (to) from the Noncontrolling Interests
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Net loss attributable to MDC Partners Inc. | $ | 3,406 |  |  | $ | 11,253 |  |  | $ | (26,010 | ) |  | $ | 687 |
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 | — |  |  | (11,947 | ) |  | (1,166 | ) |  | (11,947 | )
Net transfers from noncontrolling interests | $ | — |  |  | $ | (11,947 | ) |  | $ | (1,166 | ) |  | $ | (11,947 | )
Change from net loss attributable to MDC Partners Inc. and transfers to noncontrolling interests | $ | 3,406 |  |  | $ | (694 | ) |  | $ | (27,176 | ) |  | $ | (11,260 | )

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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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