Annual report pursuant to Section 13 and 15(d)

Fair Value Measurement (Details)

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Fair Value Measurement (Details) (Tanger Properties Limited Partnership [Member], USD $)
Dec. 31, 2012
Dec. 31, 2011
Tanger Properties Limited Partnership [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term Debt, Fair Value $ 1,200,000,000 $ 1,100,000,000
Long-term Debt $ 1,093,537,000 $ 1,025,542,000