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Supplementary Income Statement Information (Details) (Tanger Factory Outlet Centers, Inc [Member], USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Tanger Factory Outlet Centers, Inc [Member] |  |  |
Supplementary Income Statement Information [Line Items] |  |  |
Advertising and promotion | $ 25,431us-gaap_MarketingAndAdvertisingExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | $ 24,035us-gaap_MarketingAndAdvertisingExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | $ 23,051us-gaap_MarketingAndAdvertisingExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Common area maintenance | 65,980skt_CommonAreaMaintenanceExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 57,693skt_CommonAreaMaintenanceExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 53,179skt_CommonAreaMaintenanceExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Real estate taxes | 25,644us-gaap_RealEstateTaxExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 21,976us-gaap_RealEstateTaxExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 19,842us-gaap_RealEstateTaxExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Other operating expenses | 20,367us-gaap_OtherCostAndExpenseOperating / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 17,342us-gaap_OtherCostAndExpenseOperating / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 15,088us-gaap_OtherCostAndExpenseOperating / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Operating Costs and Expenses | $ 137,422us-gaap_OperatingCostsAndExpenses / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | $ 121,046us-gaap_OperatingCostsAndExpenses / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | $ 111,160us-gaap_OperatingCostsAndExpenses / dei_LegalEntityAxis = us-gaap_ParentCompanyMember

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- Definition The total expense recognized in the period for promotion, public relations, and brand or product advertising. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense. + References No definition available. + Details
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- Definition The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 3 -Article 5 + Details
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- Definition A tax based on the assessed value of real estate by the local government. The tax is usually based on the value of property (including the land). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6419918&loc=d3e35301-107843 + Details
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