XML 26 R1.htm IDEA: XBRL DOCUMENT v2.4.0.6
Document and Entity Information
 3 Months Ended
Mar. 31, 2012
Apr. 25, 2012
Class A Shares
Apr. 25, 2012
Class B Shares
Document Type 10-Q    
Amendment Flag false    
Document Period End Date Mar. 31, 2012    
Document Fiscal Year Focus 2012    
Document Fiscal Period Focus Q1    
Trading Symbol MDCA    
Entity Registrant Name MDC PARTNERS INC    
Entity Central Index Key 0000876883    
Current Fiscal Year End Date --12-31    
Entity Filer Category Accelerated Filer    
Entity Common Stock, Shares Outstanding   30,907,377 2,503