Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity of the Company (Narrative) (Details)

v3.21.2
Shareholders' Equity of the Company (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
Jun. 30, 2021
May 31, 2021
Apr. 30, 2021
Feb. 28, 2021
Dec. 31, 2020
Class of Stock [Line Items]          
At Market Stock Aggregate Gross Sales Price of Common Shares       $ 250.0  
Tanger Factory Outlet Centers, Inc. [Member]          
Class of Stock [Line Items]          
Common shares, par value (in dollars per share) $ 0.01     $ 0.01 $ 0.01
Authorized repurchase amount   $ 80.0 $ 80.0    
Remaining amount authorized to be repurchase $ 80.0