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Acquisitions (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011
Net income (loss) attributable to MDC Partners Inc. | $ (20,114) | $ 1,323 | $ (46,395) | $ (7,360)
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 | (1,977) | 504 | (3,240) | 504
Decrease in MDC Partners Inc. paid-in capital from issuance of equity interest | 0 | (1,147) | 0 | (1,147)
Net transfers to (from) noncontrolling interest | (1,977) | (643) | (3,240) | (643)
Change from net income (loss) attributable to MDC Partners Inc. and transfers to noncontrolling interest | $ (22,091) | $ 680 | $ (49,635) | $ (8,003)

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