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Debt of the Operating Partnership (Schedule of Debt) (Details) (Tanger Properties Limited Partnership [Member], USD $)
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3 Months Ended | 3 Months Ended | 3 Months Ended | 3 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 3 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | ||||||||||||||||||||||||||
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Mar. 31, 2014
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Mar. 31, 2013
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Dec. 31, 2013
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Mar. 31, 2014
Senior Notes [Member]
6.15% Senior Notes [Member]
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Dec. 31, 2013
Senior Notes [Member]
6.15% Senior Notes [Member]
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Mar. 31, 2014
Senior Notes [Member]
6.125% Senior Notes [Member]
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Dec. 31, 2013
Senior Notes [Member]
6.125% Senior Notes [Member]
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Mar. 31, 2014
Senior Notes [Member]
3.875% Senior Notes [Member] [Member]
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Dec. 31, 2013
Senior Notes [Member]
3.875% Senior Notes [Member] [Member]
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Mar. 31, 2014
Mortgages Payable [Member]
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Mar. 31, 2014
Mortgages Payable [Member]
Atlantic City Outlets The Walk [Member]
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Dec. 31, 2013
Mortgages Payable [Member]
Atlantic City Outlets The Walk [Member]
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Dec. 31, 2012
Mortgages Payable [Member]
Atlantic City Outlets The Walk [Member]
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Mar. 31, 2014
Mortgages Payable [Member]
Deer Park [Member]
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Dec. 31, 2013
Mortgages Payable [Member]
Deer Park [Member]
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Mar. 31, 2014
Mortgages Payable [Member]
The Outlets at Hershey [Member]
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Dec. 31, 2013
Mortgages Payable [Member]
The Outlets at Hershey [Member]
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Dec. 31, 2012
Mortgages Payable [Member]
The Outlets at Hershey [Member]
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Mar. 31, 2014
Mortgages Payable [Member]
Ocean City Factory Outlets [Member]
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Dec. 31, 2013
Mortgages Payable [Member]
Ocean City Factory Outlets [Member]
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Dec. 31, 2012
Mortgages Payable [Member]
Ocean City Factory Outlets [Member]
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Mar. 31, 2014
Notes Payable [Member]
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Dec. 31, 2013
Notes Payable [Member]
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Dec. 31, 2012
Notes Payable [Member]
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Mar. 31, 2014
Unsecured Term Loan [Member]
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Dec. 31, 2013
Unsecured Term Loan [Member]
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Mar. 31, 2014
Unsecured Term Note [Member]
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Dec. 31, 2013
Unsecured Term Note [Member]
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Mar. 31, 2014
Line of Credit [Member]
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Dec. 31, 2013
Line of Credit [Member]
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| Debt Instrument [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||
| Stated Interest Rate(s) | 6.15% | 6.15% | 6.125% | 6.125% | 3.875% | 5.24% | [1] | 5.24% | [1] | 1.50% | [1] | 1.50% | [1] | |||||||||||||||||||||||||||||||
| Stated Interest Rate(s), Minimum | 5.14% | [1] | 5.14% | [1] | 5.17% | [1] | 5.17% | [1] | ||||||||||||||||||||||||||||||||||||
| Stated Interest Rate(s), Maximum | 7.65% | [1] | 7.65% | [1] | 8.00% | [1] | 8.00% | [1] | ||||||||||||||||||||||||||||||||||||
| Basis spread on variable rate | 1.50% | 1.50% | 1.60% | [2] | 1.60% | [2] | 1.30% | 1.30% | 1.00% | 1.00% | ||||||||||||||||||||||||||||||||||
| Maturity Date | Nov. 01, 2015 | Jun. 01, 2020 | Dec. 01, 2023 | Aug. 01, 2018 | Aug. 01, 2015 | [1] | Jan. 01, 2016 | [1] | Jun. 30, 2016 | [1] | Feb. 23, 2019 | [2] | Aug. 01, 2017 | Nov. 10, 2015 | ||||||||||||||||||||||||||||||
| Maturity Date Range, Start | Nov. 01, 2021 | |||||||||||||||||||||||||||||||||||||||||||
| Maturity Date Range, End | Dec. 01, 2026 | |||||||||||||||||||||||||||||||||||||||||||
| Principal | $ 1,360,207,000 | $ 1,330,398,000 | $ 250,000,000 | $ 250,000,000 | $ 300,000,000 | $ 300,000,000 | $ 250,000,000 | $ 250,000,000 | $ 47,914,000 | [1] | $ 48,535,000 | [1] | $ 150,000,000 | $ 150,000,000 | $ 29,793,000 | [1] | $ 29,970,000 | [1] | $ 18,100,000 | [1] | $ 18,193,000 | [1] | $ 10,000,000 | [1] | $ 10,000,000 | [1] | $ 250,000,000 | [2] | $ 250,000,000 | [2] | $ 7,500,000 | $ 7,500,000 | $ 46,900,000 | $ 16,200,000 | ||||||||||
| Premium (Discount) | (2,341,000) | (2,349,000) | (184,000) | (211,000) | (1,421,000) | (1,469,000) | (3,988,000) | (4,072,051) | 3,992,000 | [1] | 4,091,000 | [1] | (1,398,000) | (1,478,000) | 847,000 | [1] | 993,000 | [1] | 170,000 | [1] | 193,000 | [1] | (359,000) | [1] | (396,000) | [1] | 0 | [2] | 0 | [2] | 0 | 0 | 0 | 0 | ||||||||||
| Effective interest rate percentage | 5.05% | 3.40% | 4.68% | 3.15% | ||||||||||||||||||||||||||||||||||||||||
| Debt instrument, collateral amount | 545,000,000 | |||||||||||||||||||||||||||||||||||||||||||
| Line of credit facility, maximum borrowing capacity | 520,000,000 | |||||||||||||||||||||||||||||||||||||||||||
| Line of credit facility, liquidity line, maximum borrowings, included in total line of credit maximum borrowings | 20,000,000 | |||||||||||||||||||||||||||||||||||||||||||
| Line of credit facility, syndicated line, maximum borrowings, included in total line of credit maximum borrowings | 500,000,000 | |||||||||||||||||||||||||||||||||||||||||||
| Line of credit facility, syndicated line, potential maximum borrowings if accordian feature is utilized | 750,000,000 | |||||||||||||||||||||||||||||||||||||||||||
| Line of credit, dividend restrictions, percentage of funds from operations allowed on a cumulative basis | 95.00% | |||||||||||||||||||||||||||||||||||||||||||
| Proceeds from debt issuances | $ 133,100,000 | $ 80,246,000 | ||||||||||||||||||||||||||||||||||||||||||
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