Annual report pursuant to Section 13 and 15(d)

Acquisition of Rental Property - Narrative (Details)

v2.4.1.9
Acquisition of Rental Property - Narrative (Details) (USD $)
1 Months Ended 4 Months Ended 12 Months Ended
Aug. 31, 2013
Dec. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Sep. 30, 2011
Acquistion of Rental Property [Line Items]            
Square Feet     982,000us-gaap_AreaOfRealEstateProperty      
Deer Park [Member]            
Acquistion of Rental Property [Line Items]            
Consideration transferred to equity partner $ 27,900,000skt_BusinessCombinationConsiderationTransferredtoEquityPartner
/ us-gaap_BusinessAcquisitionAxis
= skt_DeerParkMember
         
Payments to acquire equity method investments 13,900,000us-gaap_PaymentsToAcquireEquityMethodInvestments
/ us-gaap_BusinessAcquisitionAxis
= skt_DeerParkMember
         
Contingent consideration associated with acquisition 0us-gaap_ContingentConsiderationClassifiedAsEquityFairValueDisclosure
/ us-gaap_BusinessAcquisitionAxis
= skt_DeerParkMember
         
Acquisition costs 1,000,000us-gaap_BusinessCombinationAcquisitionRelatedCosts
/ us-gaap_BusinessAcquisitionAxis
= skt_DeerParkMember
         
Gain on previously held interest in acquired joint venture 26,000,000us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain
/ us-gaap_BusinessAcquisitionAxis
= skt_DeerParkMember
         
Fixed annual lease payments to property owners 2,500,000skt_FixedAnnualLeasePaymentstoPropertyOwners
/ us-gaap_BusinessAcquisitionAxis
= skt_DeerParkMember
         
Pre-acquisition value of redeemable noncontrolling interest 28,400,000skt_PreAcquisitionValueofRedeemableNoncontrollingInterest
/ us-gaap_BusinessAcquisitionAxis
= skt_DeerParkMember
         
Pro forma information, revenue of acquiree since acquisition date, actual   11,100,000us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual
/ us-gaap_BusinessAcquisitionAxis
= skt_DeerParkMember
       
Pro forma information, earnings or (loss) of acquiree since acquisition date, actual   (3,500,000)us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual
/ us-gaap_BusinessAcquisitionAxis
= skt_DeerParkMember
       
Deer Park [Member]            
Acquistion of Rental Property [Line Items]            
Principal 150,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_DeerParkMember
         
Basis spread on variable rate, basis points 150.00%skt_DebtInstrumentBasisSpareadonVariableRateBasisPoints
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_DeerParkMember
         
Amount borrowed under existing lines of credit to fund acquisition 89,500,000skt_AmountBorrowedUnderExistingLinesofCredittoFundAcquisition
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_DeerParkMember
         
Basis spread on variable rate 3.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_DeerParkMember
         
Gain on early extinguishment of debt (2) 13,800,000us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_DeerParkMember
         
Gain (loss) on extinguishment of debt and litigation settlement 7,800,000skt_GainLossonExtinguishmentofDebtandLitigationSettlement
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_DeerParkMember
         
Additional Ownership Percentage Acquired 33.30%skt_AdditionalOwnershipPercentageAcquired
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_DeerParkMember
         
Ownership % 66.70%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_DeerParkMember
         
Hershey [Member]            
Acquistion of Rental Property [Line Items]            
Square Feet     248,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_HersheyMember
     
Loan included in other assets           6,200,000us-gaap_NotesReceivableRelatedParties
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_HersheyMember
Mezzanine and Senior Loans Combined [Member] | Deer Park [Member]            
Acquistion of Rental Property [Line Items]            
Secured debt 238,500,000us-gaap_SecuredDebt
/ us-gaap_DebtInstrumentAxis
= skt_MezzanineAndSeniorLoansCombinedMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_DeerParkMember
         
Tanger Properties Limited Partnership [Member]            
Acquistion of Rental Property [Line Items]            
Principal   1,330,398,000us-gaap_DebtInstrumentCarryingAmount
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
1,446,830,000us-gaap_DebtInstrumentCarryingAmount
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
1,330,398,000us-gaap_DebtInstrumentCarryingAmount
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
   
Gain on early extinguishment of debt (2)     (13,140,000)us-gaap_GainsLossesOnExtinguishmentOfDebt
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
0us-gaap_GainsLossesOnExtinguishmentOfDebt
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
0us-gaap_GainsLossesOnExtinguishmentOfDebt
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
 
Acquisition costs     7,000us-gaap_BusinessCombinationAcquisitionRelatedCosts
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
1,203,000us-gaap_BusinessCombinationAcquisitionRelatedCosts
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
117,000us-gaap_BusinessCombinationAcquisitionRelatedCosts
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
 
Gain on previously held interest in acquired joint venture     $ 0us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
$ 26,002,000us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
$ 0us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
 
Class A Limited Partnership Units [Member] | Tanger Properties Limited Partnership [Member] | Deer Park [Member]            
Acquistion of Rental Property [Line Items]            
Consideration paid number of shares 450,576us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= skt_DeerParkMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_StatementClassOfStockAxis
= skt_ClassALimitedPartnershipUnitsMember