Annual report pursuant to Section 13 and 15(d)

Other Comprehensive Income of the Operating Partnership (Details)

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Other Comprehensive Income of the Operating Partnership (Details) (USD $)
 3 Months Ended 12 Months Ended
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2010
Sep. 30, 2010
Jun. 30, 2010
Mar. 31, 2010
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Schedule of Comprehensive Income [Line Items]                      
Net Benefit from Settled Derivative, Unamortized Balance $ 1,500,000               $ 1,500,000    
Tanger Properties Limited Partnership
                      
Schedule of Comprehensive Income [Line Items]                      
Net income                 50,989,000 38,244,000 67,495,000
Reclassification Adjustment for Amortization of Gain on 2005 Settlement of US Treasury Rate Lock Included in Net Income                 (331,000) (311,000) (294,000)
Reclassification Adjustment for Settlement of Interest Rate Swap Agreements                 0 6,142,000 0
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax                 0 2,905,000 2,700,000
Change in Fair Value of Our Portion of Our Unconsolidated Joint Ventures' Cash Flow Hedges                 46,000 7,000 2,079,000
Other Comprehensive Income (Loss), Net of Tax                 (285,000) 8,743,000 4,485,000
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest                 50,704,000 46,987,000 71,980,000
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest                 8,000 0 0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent                 50,712,000 46,987,000 71,980,000
Parent Company [Member]
                      
Schedule of Comprehensive Income [Line Items]                      
Net income 15,138,000 14,192,000 10,842,000 10,817,000 15,096,000 14,753,000 5,392,000 3,003,000 50,989,000 38,244,000 67,495,000
Reclassification Adjustment for Amortization of Gain on 2005 Settlement of US Treasury Rate Lock Included in Net Income                 (331,000) (311,000) (294,000)
Reclassification Adjustment for Settlement of Interest Rate Swap Agreements                 0 6,142,000 0
Change in Fair Value of Our Portion of Our Unconsolidated Joint Ventures' Cash Flow Hedges                 46,000 7,000 2,079,000
Other Comprehensive Income (Loss), Net of Tax                 (285,000) 8,743,000 4,485,000
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest                 50,704,000 46,987,000 71,980,000
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest                 (6,312,000) (5,145,000) (10,153,000)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent                 $ 44,392,000 $ 41,842,000 $ 61,827,000