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) (Tanger Factory Outlet Centers, Inc, USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Restricted Share Activity [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 791,337 717,760  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 20.93 $ 17.95  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 329,000 312,750 415,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 25.48    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (243,823)    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value $ 18.46    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (11,600)    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period, Weighted Average Grant Date Fair Value $ 17.78    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value $ 7.1 $ 4.7 $ 13.5
Independent Director's Shares [Member]
     
Restricted Share Activity [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3    
Senior Executive Officer's Shares [Member]
     
Restricted Share Activity [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 5