Annual report pursuant to Section 13 and 15(d)

Share-based Compensation of the Company Options Outstanding by Exercise Price (Details)

v2.4.0.6
Share-based Compensation of the Company Options Outstanding by Exercise Price (Details) (Tanger Factory Outlet Centers, Inc [Member], USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended 3 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2012
Member Two Exercise Price [Member]
Dec. 31, 2012
Member Three Exercise Price [Member]
Mar. 31, 2011
Member Four Exercise Price [Member]
Dec. 31, 2012
Member Four Exercise Price [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value $ 716 $ 652 $ 1,700        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options 215,800     41,000 12,000   162,800
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price, Beginning Balance $ 22.16     $ 9.71 $ 11.81   $ 26.06
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term 6 years 5 months 29 days     1 year 3 months 26 days 1 year 10 months 1 day   8 years 1 month 22 days
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options 81,000     41,000 12,000   28,000
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price $ 15.67     $ 9.71 $ 11.81   $ 26.06
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate           3.00%  
Share-based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Forfeiture Rate Used, Minimum           3.00%  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Forfeiture Rate Used, Maximum           20.00%  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate           32.80%  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate           2.90%  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term           7 years