XML 21 R1.htm IDEA: XBRL DOCUMENT v3.20.4
Cover Page - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Jan. 29, 2021
Jun. 30, 2020
Cover [Abstract]      
Document Type 10-K    
Document Quarterly Report true    
Document Period End Date Dec. 31, 2020    
Document Transition Report false    
Entity File Number 001-33757    
Entity Registrant Name ENSIGN GROUP, INC    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 33-0861263    
Entity Address, Address Line One 29222 Rancho Viejo Road, Suite 127    
Entity Address, City or Town San Juan Capistrano    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 92675    
City Area Code 949    
Local Phone Number 487-9500    
Title of 12(b) Security Common Stock, par value $0.001 per share    
Trading Symbol ENSG    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 1,314,711
Entity Common Stock, Shares Outstanding   54,695,662  
Documents Incorporated by Reference Part III of this Form 10-K incorporates information by reference from the Registrant's definitive proxy statement for the Registrant's 2021 Annual Meeting of Stockholders to be filed within 120 days after the close of the fiscal year covered by this annual report.    
Entity Central Index Key 0001125376    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Amendment Flag false