Debt of the Operating Partnership (Schedule of Debt) (Details) (Tanger Properties Limited Partnership [Member], USD $)
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9 Months Ended | 9 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 1 Months Ended | 0 Months Ended | 1 Months Ended | 9 Months Ended | ||||||||||||||||||||||||||||||||||||||||
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Sep. 30, 2013
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Dec. 31, 2012
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Sep. 30, 2013
Senior Notes [Member]
6.15% Senior Notes [Member]
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Dec. 31, 2012
Senior Notes [Member]
6.15% Senior Notes [Member]
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Sep. 30, 2013
Senior Notes [Member]
6.125% Senior Notes [Member]
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Dec. 31, 2012
Senior Notes [Member]
6.125% Senior Notes [Member]
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Sep. 30, 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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Sep. 30, 2011
Mortgages Payable [Member]
Atlantic City Outlets The Walk [Member]
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Sep. 30, 2013
Mortgages Payable [Member]
Deer Park [Member]
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Sep. 30, 2013
Mortgages Payable [Member]
Deer Park [Member]
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Dec. 31, 2012
Mortgages Payable [Member]
Deer Park [Member]
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Sep. 30, 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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Sep. 30, 2011
Mortgages Payable [Member]
The Outlets at Hershey [Member]
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Sep. 30, 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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Sep. 30, 2011
Mortgages Payable [Member]
Ocean City Factory Outlets [Member]
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Sep. 30, 2013
Notes Payable [Member]
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Dec. 31, 2012
Notes Payable [Member]
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Dec. 31, 2011
Notes Payable [Member]
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Sep. 30, 2013
Unsecured Term Loan [Member]
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Sep. 30, 2013
Unsecured Term Loan [Member]
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Dec. 31, 2012
Unsecured Term Loan [Member]
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Sep. 30, 2013
Unsecured Term Note [Member]
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Sep. 30, 2013
Unsecured Term Note [Member]
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Dec. 31, 2012
Unsecured Term Note [Member]
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Sep. 30, 2013
Line of Credit [Member]
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Sep. 30, 2013
Line of Credit [Member]
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Dec. 31, 2012
Line of Credit [Member]
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Oct. 31, 2013
Subsequent Event [Member]
Mortgages Payable [Member]
Deer Park [Member]
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Oct. 28, 2013
Subsequent Event [Member]
Mortgages Payable [Member]
Deer Park [Member]
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Oct. 24, 2013
Subsequent Event [Member]
Line of Credit [Member]
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Oct. 31, 2013
Subsequent Event [Member]
Line of Credit [Member]
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Sep. 30, 2013
Subsequent Event [Member]
Line of Credit [Member]
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Debt Instrument [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Stated Interest Rate(s) | 6.15% | 6.15% | 6.125% | 6.125% | 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] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Interst rate, basis spread on variable rate | 1.50% | [2] | 1.60% | [3] | 1.80% | [3] | 1.30% | 1.00% | [4] | 1.25% | [4] | 1.50% | [2] | 1.00% | 1.10% | |||||||||||||||||||||||||||||||||||||||||||||||
Derivative, fixed interest rate | 1.30% | 1.30% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Maturity Date | Nov. 01, 2015 | Jun. 01, 2020 | Aug. 01, 2018 | [2] | Aug. 01, 2015 | [1] | Jan. 01, 2016 | [1] | Jun. 30, 2016 | [1] | Feb. 23, 2019 | [3] | Aug. 01, 2017 | Nov. 10, 2015 | [4] | |||||||||||||||||||||||||||||||||||||||||||||||
Maturity Date Range, Start | Nov. 01, 2021 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Maturity Date Range, End | Dec. 01, 2026 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Principal | $ 1,324,070,000 | $ 1,089,689,000 | $ 250,000,000 | $ 250,000,000 | $ 300,000,000 | $ 300,000,000 | $ 49,148,000 | [1] | $ 52,212,000 | [1] | $ 150,000,000 | [2] | $ 150,000,000 | [2] | $ 0 | [2] | $ 30,139,000 | [1] | $ 30,631,000 | [1] | $ 18,283,000 | $ 18,540,000 | [1] | $ 10,000,000 | [1] | $ 10,000,000 | [1] | $ 250,000,000 | [3] | $ 250,000,000 | [3] | $ 250,000,000 | [3] | $ 7,500,000 | $ 7,500,000 | $ 0 | $ 259,000,000 | [4] | $ 259,000,000 | [4] | $ 178,306,000 | [4] | $ 150,000,000 | [2] | ||||||||||||||||||
Premium (Discount) | 1,775,000 | 3,848,000 | (238,000) | (317,000) | (1,515,000) | (1,650,000) | 4,189,000 | [1] | 4,495,000 | [1] | (1,583,000) | [2] | (1,583,000) | [2] | 0 | [2] | 1,141,000 | [1] | 1,581,000 | [1] | 216,000 | [1] | 285,000 | [1] | (435,000) | [1] | (546,000) | [1] | 0 | [3] | 0 | [3] | 0 | [3] | 0 | 0 | 0 | 0 | [4] | 0 | [4] | 0 | [4] | |||||||||||||||||||
Effective interest rate percentage | 5.05% | 3.40% | 4.68% | 3.15% | 2.80% | 2.80% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt Instrument, Term | 5 years 0 months 0 days | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Extended maturity date | Nov. 10, 2016 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Line of credit facility, commitment fee percentage | 0.175% | 0.15% | 0.175% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt Issuance Cost | $ 1,500,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Line of credit, dividend restrictions, percentage of funds from operations allowed on a cumulative basis | 95.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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