Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

v3.20.4
Subsequent Events (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 12 Months Ended
Feb. 23, 2021
Jan. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Subsequent Event [Line Items]          
Net proceeds on sale of assets     $ 128,505    
Gain on sale of assets     $ 43,422    
Subsequent Event [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Jeffersonville [Member]          
Subsequent Event [Line Items]          
Net proceeds on sale of assets   $ 8,100      
Gain on sale of assets   $ 0      
Tanger Factory Outlet Centers, Inc. [Member]          
Subsequent Event [Line Items]          
Common Stock, Dividends, Per Share, Declared     $ 0.7125 $ 1.415  
Net proceeds on sale of assets     $ 7,626 $ 128,505 $ 0
Gain on sale of assets     2,324 43,422 0
Tanger Factory Outlet Centers, Inc. [Member] | Subsequent Event [Member]          
Subsequent Event [Line Items]          
Common Stock, Dividends, Per Share, Declared   $ 0.1775      
Distributions Per Limited Partnership Unit Outstanding, Basic   $ 0.1775      
Restricted Shares [Member] | Tanger Factory Outlet Centers, Inc. [Member]          
Subsequent Event [Line Items]          
Total value of restricted common shares vested     $ 4,200 $ 9,200 $ 9,200
Restricted Common Share Award Plan [Member] | Restricted Shares [Member] | Tanger Factory Outlet Centers, Inc. [Member] | Subsequent Event [Member]          
Subsequent Event [Line Items]          
Total value of restricted common shares vested $ 5,800        
2021 OPP | Performance Shares [Member] | Tanger Factory Outlet Centers, Inc. [Member] | Subsequent Event [Member]          
Subsequent Event [Line Items]          
Share-based Award Measurement Period 3 years        
Total value of restricted common shares vested $ 6,200