v3.6.0.2
DEI Info Cover Page Document - USD ($)
12 Months Ended
Dec. 31, 2016
Feb. 03, 2017
Jun. 30, 2016
Entity Information [Abstract]      
Entity Registrant Name ENSIGN GROUP, INC    
Entity Central Index Key 0001125376    
Current Fiscal Year End Date --12-31    
Entity Filer Category Large Accelerated Filer    
Document Type 10-K    
Current Reporting Status Yes    
Document Period End Date Dec. 31, 2016    
Document Fiscal Year Focus 2016    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Common Stock, Shares Outstanding   50,898,387  
Entity Public Float     $ 884,000,000