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Share-based Compensation of the Company Option Activity (Details) (USD $)
3 Months Ended9 Months Ended
Mar. 31, 2011
Sep. 30, 2011
Tanger Factory Outlet Centers, Inc
Units
years
Sep. 30, 2010
Tanger Factory Outlet Centers, Inc
Dec. 31, 2010
Tanger Factory Outlet Centers, Inc
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value $ 132,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 297,700 120,200
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price  $ 19.95$ 9.92
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures 191,500  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value $ 26.06  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (7,500)(106,700) 
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price $ 9.71  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period (6,500)  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price $ 26.06  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term 6.84  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value 1,993,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number 256,905  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price $ 18.98  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value 1,969,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number 112,700  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price $ 9.92  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 2.63  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value $ 1,884,000  
Number of Options Granted During the Period191,500   
Exercise Price of Options Granted During the Period$ 26.06