Annual report pursuant to Section 13 and 15(d)

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

v2.4.0.6
Share-based Compensation of the Company Restricted Share Activity (Details) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Tanger Factory Outlet Centers, Inc [Member]
     
Restricted Share Activity [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value $ 10.6 $ 7.1 $ 4.7
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 1,047,993 791,337  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 24.39 $ 20.93  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 571,000    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 27.90    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (309,344)    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value $ 21.92    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (5,000)    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 29.50    
Tanger Properties Limited Partnership [Member]
     
Restricted Share Activity [Line Items]      
Equity Based Compensation Arrangement by Equity-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value $ 10.6 $ 7.1 $ 4.7
Fully Vested [Member]
     
Restricted Share Activity [Line Items]      
Number of Restricted Common Shares Granted to Company CEO 45,000    
Service Condition [Member]
     
Restricted Share Activity [Line Items]      
Number of Restricted Common Shares Granted to Company CEO 90,000    
Service and Performance Conditions [Member]
     
Restricted Share Activity [Line Items]      
Number of Restricted Common Shares Granted to Company CEO 90,000    
Restricted Shares CEO [Member]
     
Restricted Share Activity [Line Items]      
Share-based Payment Award, Equity Instruments, Other Than Options, Grant Date Fair Value $ 25.44    
Number of Restricted Common Shares Granted to Company CEO 225,000    
Restricted Shares [Member]
     
Restricted Share Activity [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 346,000 329,000 312,750