Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.19.3.a.u2
Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2019
Feb. 20, 2020
Jun. 30, 2019
Cover [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 Interactive Data Current Yes    
Entity Shell Company false    
Entity Filer Category Accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Public Float     $ 320,494,000
Entity Common Stock, Shares Outstanding   34,101,918  
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Entity Address, State or Province MI