Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v2.4.0.6
Document and Entity Information (USD $)
3 Months Ended
Mar. 31, 2012
Apr. 26, 2012
Jun. 30, 2011
Entity Information [Line Items]      
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 Smaller Reporting Company    
Entity Public Float     $ 69,561,481
Entity Common Stock, Shares Outstanding   27,082,825  
Document Fiscal Year Focus 2012    
Document Fiscal Period Focus Q1    
Document Type 10-Q    
Amendment Flag false    
Document Period End Date Mar. 31, 2012