v3.8.0.1
DEI Info Cover Page Document - shares
9 Months Ended
Sep. 30, 2017
Nov. 06, 2017
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-Q  
Document Period End Date Sep. 30, 2017  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   51,170,573