Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.3.0.814
Document and Entity Information - shares
9 Months Ended
Sep. 30, 2015
Oct. 22, 2015
Document and Entity Information [Abstract]    
Entity Registrant Name MACATAWA BANK CORP  
Entity Central Index Key 0001053584  
Current Fiscal Year End Date --12-31  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   33,866,789
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q3  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 30, 2015