Annual report pursuant to Section 13 and 15(d)

Shareholders' Equity of the Company (Details)

v2.4.1.9
Shareholders' Equity of the Company (Details)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Tanger Factory Outlet Centers, Inc [Member]      
Entity Information [Line Items]      
Common shares issued in exchange for Operating Partnership units (in shares) 66,606us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
67,428us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
6,730,028us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Convertible units, shares issued upon conversion into common shares 1skt_Convertibleunitssharesissueduponconversionintocommonshares
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Class A Limited Partnership Units [Member] | Tanger Properties Limited Partnership [Member]      
Entity Information [Line Items]      
Common shares issued in exchange for Operating Partnership units (in shares) (66,606)us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_StatementClassOfStockAxis
= skt_ClassALimitedPartnershipUnitsMember
(67,428)us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_StatementClassOfStockAxis
= skt_ClassALimitedPartnershipUnitsMember
(6,730,028)us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_StatementClassOfStockAxis
= skt_ClassALimitedPartnershipUnitsMember
Number of operating partnership units owned by family limited partners 5,078,406skt_NumberofOperatingPartnershipUnitsOwnedbytheOperatingPartnershipandOtherLimitedPartners
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_StatementClassOfStockAxis
= skt_ClassALimitedPartnershipUnitsMember
5,145,012skt_NumberofOperatingPartnershipUnitsOwnedbytheOperatingPartnershipandOtherLimitedPartners
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_StatementClassOfStockAxis
= skt_ClassALimitedPartnershipUnitsMember