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Earnings Per Unit of the Operating Partnership (Details) (Tanger Properties Limited Partnership [Member], USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Schedule of Components of Basic and Diluted Earnings Per Unit [Line Items] |  |  |
Income from Continuing Operations Attributable to Partners |  | $ 50,997 | $ 38,342
Net Income Availalbe to Partners | 56,495 | 50,997 | 38,244
Dividends, Preferred Stock | 0 | 0 | (5,297)
Original Issuance Costs Related to Redeemed Preferred Units | 0 | 0 | (2,539)
Undistributed Earnings Allocated to Participating Securities | (784) | (684) | (598)
Income from Continuing Operations Available to Common Unitholders of the Operating Partnership | 55,711 | 50,313 | 29,908
Undistributed Earnings Allocated to Discontinued Operations | 0 | 0 | (98)
Income (Loss) from Discontinued Operations | $ 55,711 | $ 50,313 | $ 29,810
Weighted Average Common Units, Basic | 24,419,000 | 23,723,000 | 23,080,000
Incremental Common Units Attributable to Notional Units | 212,000 | 241,000 | 0
Incremental Common Units Attributable to Conversion of Debt Securities | 0 | 23,000 | 28,000
Incremental Common Units Attributable to Share-based Payment Arrangements | 20,000 | 18,000 | 23,000
Weighted Average Common Units, Diluted | 24,651,000 | 24,005,000 | 23,131,000
Income Loss From Continuing Operations Per Basic Unit Concept | $ 2.28 | $ 2.12 | $ 1.29
Income (Loss) from Discontinued Operations, Net of Tax, Per Unit, Basic | $ 0.00 | $ 0.00 | $ 0.00
Earnings Per Unit Basic Concept | $ 2.28 | $ 2.12 | $ 1.29
Income Loss From Continuing Operations Per Diluted Unit Concept | $ 2.26 | $ 2.10 | $ 1.29
Income (Loss) from Discontinued Operations, Net of Tax, Per Unit, Diluted | $ 0.00 | $ 0.00 | $ 0.00
Earnings Per Unit Diluted Concept | $ 2.26 | $ 2.10 | $ 1.29
Antidilutive Securities Excluded from Computation of Earnings Per Unit, Amount | 4,400 | 45,875 | 0
3.75% Senior Exchangeable Notes [Member] |  |  |
Schedule of Components of Basic and Diluted Earnings Per Unit [Line Items] |  |  |
Number of Days in a Trading Period the Average Market Price of Common Stock Exceeds Exchange Price to be Dilutive |  | 20 days |
Number of Consecutive Trading Days in the Period for Determining the Dilutive Effect of Senior Exchangeable Notes |  | 30 days |
Debt Instrument, Convertible, Conversion Price | $ 17.83 |  |

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