Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Shareholders' Equity of the Company (Narrative) (Details) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended
Jan. 31, 2020
Feb. 28, 2019
Jan. 31, 2019
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Mar. 31, 2020
Mar. 31, 2019
Dividends payable               $ 35,100,000 $ 35,200,000
Tanger Factory Outlet Centers, Inc. [Member]                  
Common dividends paid per common share (in dollars per share) $ 0.355   $ 0.35            
Common dividends per common share (in dollars per share) 0.3575 $ 0.355       $ 0.7125 $ 0.705    
Additional amount authorized   $ 44,300,000              
Authorized repurchase amount   $ 169,300,000              
Remaining amount authorized to be repurchase       $ 80,000,000.0   $ 80,000,000.0      
Repurchase of shares (in shares)       0 558,399 0 558,399    
Stock Repurchased Average Price Per Share       $ 0 $ 17.89 $ 0 $ 17.89    
Stock repurchased during period exclusive of commissions and related fees       $ 0 $ 9,989,000 $ 0 $ 9,989,000    
Tanger Properties Limited Partnership [Member]                  
Common distributions (in dollars per share) 0.355   $ 0.35     $ 0.7125 $ 0.705    
Cash dividend declared (in dollars per unit) $ 0.3575 $ 0.355