Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.10.0.1
Subsequent Events (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Oct. 31, 2018
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Tanger Factory Outlet Centers, Inc. [Member] | Subsequent Event [Member]            
Subsequent Event [Line Items]            
Cash dividends declared per commons share (in dollars per share) $ 0.35          
Tanger Properties Limited Partnership [Member]            
Subsequent Event [Line Items]            
Distribution declared per common unit (in dollars per unit)   $ 0.3500 $ 0.3425 $ 1.0425 $ 1.01  
Principal   $ 1,764,591   $ 1,764,591   $ 1,780,562
Tanger Properties Limited Partnership [Member] | Subsequent Event [Member]            
Subsequent Event [Line Items]            
Distribution declared per common unit (in dollars per unit) $ 0.35          
Unsecured Term Loan [Member] | Tanger Properties Limited Partnership [Member]            
Subsequent Event [Line Items]            
Principal   $ 325,000   $ 325,000   $ 325,000
Unsecured Term Loan [Member] | Tanger Properties Limited Partnership [Member] | Subsequent Event [Member]            
Subsequent Event [Line Items]            
Principal $ 350,000          
Net loan proceeds $ 25,000          
London Interbank Offered Rate (LIBOR) [Member] | Unsecured Term Loan [Member] | Tanger Properties Limited Partnership [Member]            
Subsequent Event [Line Items]            
Basis spread on variable rate       0.95%    
London Interbank Offered Rate (LIBOR) [Member] | Unsecured Term Loan [Member] | Tanger Properties Limited Partnership [Member] | Subsequent Event [Member]            
Subsequent Event [Line Items]            
Basis spread on variable rate 0.90%