Debt of the Operating Partnership (Details) (USD $)
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12 Months Ended | 6 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | ||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2012
Tanger Factory Outlet Centers, Inc [Member]
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Dec. 31, 2011
Tanger Factory Outlet Centers, Inc [Member]
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Dec. 31, 2010
Tanger Factory Outlet Centers, Inc [Member]
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Jun. 30, 2010
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2012
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2011
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2010
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2009
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2012
6.15% Senior Notes [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2011
6.15% Senior Notes [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2011
3.75% Senior Exchangeable Notes [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2012
6.125% Senior Notes [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2010
6.125% Senior Notes [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2011
6.125% Senior Notes [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2012
Unsecured Term Loan [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2011
Unsecured Term Loan [Member]
Tanger Properties Limited Partnership [Member]
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Sep. 30, 2011
Line of Credit [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2012
Line of Credit [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2011
Line of Credit [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2010
Line of Credit [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2012
Atlantic City Outlets The Walk [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2011
Atlantic City Outlets The Walk [Member]
Tanger Properties Limited Partnership [Member]
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Sep. 30, 2011
Atlantic City Outlets The Walk [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2012
Ocean City Factory Outlets [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2011
Ocean City Factory Outlets [Member]
Tanger Properties Limited Partnership [Member]
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Sep. 30, 2011
Ocean City Factory Outlets [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2012
The Outlets at Hershey [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2011
The Outlets at Hershey [Member]
Tanger Properties Limited Partnership [Member]
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Sep. 30, 2011
The Outlets at Hershey [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2012
Notes Payable, Other Payables [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2011
Notes Payable, Other Payables [Member]
Tanger Properties Limited Partnership [Member]
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Jun. 30, 2011
Bridge Loan [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2012
Debt [Member]
Unsecured Term Loan [Member]
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2012
Debt [Member]
Line of Credit [Member]
Tanger Properties Limited Partnership [Member]
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Debt Instrument [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt Instrument, Interest Rate, Effective Percentage | 5.05% | 4.68% | 3.40% | 3.15% | ||||||||||||||||||||||||||||||||||||||||||||||||
Senior Notes | $ 548,033,000 | $ 547,763,000 | $ 548,033,000 | $ 547,763,000 | $ 250,000,000 | $ 250,000,000 | $ 300,000,000 | $ 300,000,000 | ||||||||||||||||||||||||||||||||||||||||||||
Bridge Loan | (150,000,000) | |||||||||||||||||||||||||||||||||||||||||||||||||||
Debt Instrument, Basis Spread on Variable Rate | 1.90% | 1.25% | 1.60% | |||||||||||||||||||||||||||||||||||||||||||||||||
Unsecured lines of credit | 178,306,000 | 357,092,000 | 178,306,000 | 357,092,000 | 178,306,000 | [1] | 357,092,000 | [1] | 178,300,000 | |||||||||||||||||||||||||||||||||||||||||||
Mortgages Payable | 52,212,000 | [2] | 53,826,000 | [2] | 18,540,000 | [2] | 18,867,000 | [2] | 30,631,000 | [2] | 31,252,000 | [2] | ||||||||||||||||||||||||||||||||||||||||
Long-term Debt, Gross | 1,089,689,000 | 1,021,037,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||
Debt Instrument, Interest Rate Terms | .0615 | .06125 | 0.06125 | LIBOR + 1.80% | LIBOR + 1.25% | 5.14%-7.65% | 0.0524 | 5.17%-8.00% | 0.015 | |||||||||||||||||||||||||||||||||||||||||||
Debt Instrument, Extended Maturity Date | Nov. 10, 2016 | |||||||||||||||||||||||||||||||||||||||||||||||||||
Line of Credit Facility, Commitment Fee Percentage | 0.40% | 0.25% | ||||||||||||||||||||||||||||||||||||||||||||||||||
Debt Instrument, Face Amount | 300,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||
Line of Credit, Dividend Restrictions, Percentage of Funds From Operations Allowed on a Cumulative Basis | 95.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||
Debt Instrument, Unamortized Discount | (3,848,000) | (4,505,000) | 317,000 | 417,000 | 1,650,000 | 1,820,000 | 0 | [3] | 0 | [3] | 0 | [1] | 0 | [1] | (4,495,000) | [2] | (4,894,000) | [2] | (285,000) | [2] | (375,000) | [2] | (1,581,000) | [2] | (2,165,000) | [2] | 546,000 | [2] | 692,000 | [2] | ||||||||||||||||||||||
Debt Instrument, Maturity Date | Nov. 01, 2015 | Jun. 01, 2020 | Jun. 30, 2020 | Feb. 23, 2019 | Nov. 10, 2015 | Jan. 06, 2016 | Aug. 01, 2015 | Jun. 30, 2016 | ||||||||||||||||||||||||||||||||||||||||||||
Debt Instrument, Pricing Percentage of Principal | 99.31% | |||||||||||||||||||||||||||||||||||||||||||||||||||
Long-term Debt | 1,093,537,000 | 1,025,542,000 | 1,093,537,000 | 1,025,542,000 | 250,000,000 | [3] | 0 | [3] | 10,000,000 | [2] | 10,000,000 | [2] | 250,000,000 | |||||||||||||||||||||||||||||||||||||||
Value of Bonds Exchanged for Common Shares | 7,200,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||
Number of Company Common Shares Issued Upon Exchange of Convertible Debt | 136,360 | |||||||||||||||||||||||||||||||||||||||||||||||||||
Noncash or Part Noncash Acquisition, Debt Assumed | 112,700,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum | 5.14% | 5.17% | ||||||||||||||||||||||||||||||||||||||||||||||||||
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum | 7.65% | 8.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||
Line of Credit Facility, Maximum Borrowing Capacity | 520,000,000 | 400,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||
Maximum Line of Credit Borrowings That May Be Denominated in Foreign Currency | 100,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||
Unsecured Debt | 259,453,000 | 9,308,000 | 259,453,000 | 9,308,000 | 235,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||
Non-Cash Financing - Fair Value of Debt Assumed Adjustments | 7,800,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||
Line of Credit Facility, Liquidity Line, Maximum Borrowings, Included in Total Line of Credit Maximum Borrowings | 20,000,000 | 15,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||
Line of Credit Facility, Syndicataed Line, Maximum Borrowings, Included in Total Line of Credit Maximum Borrowings | 500,000,000 | 385,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||
Line of Credit Facility, Syndicated Line, Potential Maximum Borrowings if Accordian Feature is Utilized | 750,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||
Debt Instrument, Percentage Yield to Maturity | 6.219% | |||||||||||||||||||||||||||||||||||||||||||||||||||
Proceeds from Issuance of Long-term Debt | 585,800,000 | 876,342,000 | 903,030,000 | 585,800,000 | 876,342,000 | 903,030,000 | 295,500,000 | |||||||||||||||||||||||||||||||||||||||||||||
Gain (Loss) on Derivative Instruments, Net, Pretax | 0 | 0 | (6,142,000) | 0 | 0 | (6,142,000) | ||||||||||||||||||||||||||||||||||||||||||||||
Write off of Deferred Debt Issuance Cost | $ 563,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||
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