v3.3.1.900
DEI Info Cover Page Document - shares
3 Months Ended
Mar. 31, 2016
May. 06, 2016
Entity Information [Abstract]    
Entity Registrant Name ENSIGN GROUP, INC  
Entity Central Index Key 0001125376  
Current Fiscal Year End Date --03-31  
Entity Filer Category Large Accelerated Filer  
Document Type 10-Q  
Document Period End Date Mar. 31, 2016  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   50,242,881