v3.8.0.1
Document And Entity Information - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Feb. 16, 2018
Jun. 23, 2017
Document And Entity Information      
Entity Registrant Name PATRICK INDUSTRIES INC    
Entity Central Index Key 0000076605    
Trading Symbol patk    
Current Fiscal Year End Date --12-31    
Entity Filer Category Large Accelerated Filer    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Well-known Seasoned Issuer Yes    
Entity Common Stock, Shares Outstanding (in shares)   25,471,135  
Entity Public Float     $ 1,174
Document Type 10-K    
Document Period End Date Dec. 31, 2017    
Document Fiscal Year Focus 2017    
Document Fiscal Period Focus FY    
Amendment Flag false