XML 62 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Cover Page - shares
3 Months Ended
Mar. 31, 2020
Apr. 16, 2020
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2020  
Document Transition Report false  
Entity File Number 001-33245  
Entity Registrant Name EMPLOYERS HOLDINGS, INC.  
Entity Incorporation, State or Country Code NV  
Entity Tax Identification Number 04-3850065  
Entity Address, Address Line One 10375 Professional Circle  
Entity Address, City or Town Reno,  
Entity Address, State or Province NV  
Entity Address, Postal Zip Code 89521  
City Area Code 888  
Local Phone Number 682-6671  
Title of 12(b) Security Common Stock, $0.01 par value per share  
Trading Symbol EIG  
Security Exchange Name NYSE  
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  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   30,373,572
Entity Central Index Key 0001379041  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q1