v3.8.0.1
Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2017
Mar. 23, 2018
Jun. 30, 2017
Document And Entity Information      
Entity Registrant Name ICC Holdings, Inc.    
Entity Central Index Key 0001681903    
Trading Symbol ICCH    
Current Fiscal Year End Date --12-31    
Entity Filer Category Smaller Reporting Company    
Entity Current Reporting Status Yes    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Document Type 10-K    
Document Period End Date Dec. 31, 2017    
Document Fiscal Year Focus 2017    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Public Float     $ 32,407,452
Entity Common Stock, Shares Outstanding   3,500,000