Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.8.0.1
Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2017
Feb. 14, 2018
Jun. 30, 2017
Entity Information [Line Items]      
Entity Registrant Name TANGER FACTORY OUTLET CENTERS INC    
Entity Central Index Key 0000899715    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Current Fiscal Year End Date --12-31    
Entity Filer Category Large Accelerated Filer    
Entity Well-known Seasoned Issuer Yes    
Document Fiscal Year Focus 2017    
Document Fiscal Period Focus FY    
Document Type 10-K    
Document Period End Date Dec. 31, 2017    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   94,537,757  
Entity Public Float     $ 2,428,175,157
Tanger Properties Limited Partnership [Member]      
Entity Information [Line Items]      
Entity Registrant Name TANGER PROPERTIES LIMITED PARTNERSHIP    
Entity Central Index Key 0001004036    
Entity Filer Category Non-accelerated Filer    
Entity Well-known Seasoned Issuer Yes