v3.19.2
COVER PAGE - shares
6 Months Ended
Jun. 30, 2019
Aug. 01, 2019
Cover page.    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2019  
Document Transition Report false  
Entity File Number 001-36131  
Entity Registrant Name Endurance International Group Holdings, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 46-3044956  
Entity Address, Address Line One 10 Corporate Drive,  
Entity Address, Address Line Two Suite 300  
Entity Address, City or Town Burlington,  
Entity Address, State or Province MA  
Entity Address, Postal Zip Code 01803  
City Area Code 781  
Local Phone Number 852-3200  
Title of 12(b) Security Common Stock, $0.0001 par value  
Trading Symbol EIGI  
Security Exchange Name NASDAQ  
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   146,055,237
Amendment Flag false  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q2  
Entity Central Index Key 0001237746  
Current Fiscal Year End Date --12-31