Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation of the Operating Partnership Equity-Based Compensation Expense (Details)

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Equity-Based Compensation of the Operating Partnership Equity-Based Compensation Expense (Details) (USD $)
Share data in Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Units
Dec. 31, 2011
Dec. 31, 2010
Tanger Properties Limited Partnership [Member]
     
Equity-Based Compensation Expense by Award Type [Line Items]      
Equity-based Compensation Arragement by Equity-based Payment Award, Number of Units Authorized 3,850,000    
Equity-based Compensation Arragement by Equity-based Payment Award, Number of Units Available for GRant 886,355    
Equity-based Compensation $ 10,664,000 $ 7,291,000 $ 5,848,000
Employee Service Equity Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized 20,000,000    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 3 years 5 months 5 days    
Equity-based Compesnation, Allocation of Recognized Period Costs Capitalized Amount 368,000 234,000 393,000
Tanger Properties Limited Partnership [Member] | Restricted Units [Member]
     
Equity-Based Compensation Expense by Award Type [Line Items]      
Equity-based Compensation 8,485,000 5,227,000 4,095,000
Tanger Properties Limited Partnership [Member] | Notional Unit Performance Awards [Member]
     
Equity-Based Compensation Expense by Award Type [Line Items]      
Equity-based Compensation 1,970,000 1,885,000 1,753,000
Tanger Properties Limited Partnership [Member] | Options [Member]
     
Equity-Based Compensation Expense by Award Type [Line Items]      
Equity-based Compensation 209,000 179,000 0
Tanger Factory Outlet Centers, Inc [Member]
     
Equity-Based Compensation Expense by Award Type [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 15.4    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 3 years 5 months 5 days    
Fully Vested [Member] | Tanger Properties Limited Partnership [Member] | Restricted Units [Member]
     
Equity-Based Compensation Expense by Award Type [Line Items]      
Equity-based Compensation $ 1,300,000    
Number of Restricted Units Granted to CEO 11,250