Quarterly report pursuant to Section 13 or 15(d)

Share-based Compensation of the Company (Restricted Share Activity) (Details)

v2.4.0.8
Share-based Compensation of the Company (Restricted Share Activity) (Details) (USD $)
In Millions, except Share data, unless otherwise specified
6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Restricted Shares [Member]
   
Number of shares    
Granted 349,373  
Tanger Factory Outlet Centers, Inc [Member] | Restricted Shares [Member]
   
Number of shares    
Unvested at December 31, 2012 1,047,993  
Granted 349,373  
Vested (289,400)  
Foreited (12,000)  
Unvested at June 30, 2013 1,095,966  
Weighted-average grant date fair value    
Unvested at December 31, 2012 (in dollars per share) $ 24.39  
Granted (in dollars per share) $ 31.01  
Vested (in dollars per share) $ 22.35  
Forfeited (in dollars per share) $ 25.61  
Unvested at June 30, 2013 (in dollars per share) $ 27.03  
Tanger Properties Limited Partnership [Member]
   
Weighted-average grant date fair value    
Total value of restricted common shares vested $ 9.6 $ 7.9