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v3.21.1

Supplemental Information - Statements of Operations (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Quantifying Misstatement in Current Year Financial Statements [Line Items] |  |
Revenues | $ 307,585 | $ 327,742
Asset Impairment Charges | 875 | 161
Costs and Expenses | 279,918 | 298,415
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest | 11,296 | 15,293
Income Tax Expense (Benefit) | 1,302 | 13,500
Net income (loss) attributable to MDC Partners Inc. common shareholders | $ 921 | $ (2,438)
Weighted Average Number of Shares Outstanding, Basic | 73,392,824 | 72,397,661,000
Weighted Average Number of Shares Outstanding, Diluted | 75,439,066 | 72,397,661,000
Income (Loss) from Continuing Operations, Per Basic Share | $ 0.01 | $ (0.03)
Income (Loss) from Continuing Operations, Per Diluted Share | $ 0.01 | $ (0.03)

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