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Acquisitions (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Net loss attributable to MDC Partners Inc. | $ (21,200) | $ (14,496) | $ (54,542) | $ (60,891)
Transfers to the noncontrolling interest: |  |  |  |
Increase in MDC Partners Inc. paid-in capital for purchase of equity interests in excess of Redeemable Noncontrolling Interests | 0 | 5,263 | 0 | 2,023
Increase in MDC Partners Inc. paid-in capital from issuance of equity interest | 1,531 | 0 | 11,347 | 0
Net transfers to noncontrolling interest | 1,531 | 5,263 | 11,347 | 2,023
Change from net loss attributable to MDC Partners Inc. and transfers to noncontrolling interest | $ (19,669) | $ (9,233) | $ (43,195) | $ (58,868)

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