Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Income Taxes (Details)

v2.4.0.6
Summary of Significant Accounting Policies - Income Taxes (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Nov. 30, 2005
Schedule of Common Dividends Per Share [Line Items]        
REIT Annual Taxable Income Distribution Requirement Percentage 90.00%      
Tanger Factory Outlet Centers, Inc [Member]
        
Schedule of Common Dividends Per Share [Line Items]        
Common Stock, Dividends, Per Share, Cash Paid $ 0.8300 $ 0.7938 $ 0.7725  
Preferred Stock, Liquidation Preference Per Share       $ 25.00
Preferred Stock, Dividends, Per Share, Cash Paid     $ 2.07  
Preferred Stock, Redemption Price Per Share     $ 25.00  
Preferred Stock, Redemption Price per Share Including All Accrued and Unpaid Dividends     $ 25.198  
Payments for Repurchase of Redeemable Preferred Stock, Including Accrued Dividends     $ 75.6  
Tanger Factory Outlet Centers, Inc [Member] | Ordinary Income [Member]
        
Schedule of Common Dividends Per Share [Line Items]        
Common Stock, Dividends, Per Share, Cash Paid $ 0.8293 $ 0.7938 $ 0.5361  
Tanger Factory Outlet Centers, Inc [Member] | Return Of Captial [Member]
        
Schedule of Common Dividends Per Share [Line Items]        
Common Stock, Dividends, Per Share, Cash Paid $ 0.0007 $ 0.0000 $ 0.2364