Annual report pursuant to Section 13 and 15(d)

Debt of the Company (Details)

v2.4.1.9
Debt of the Company (Details) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Tanger Factory Outlet Centers, Inc [Member]    
Line of Credit Facility [Line Items]    
Unsecured lines of credit $ 111,000,000us-gaap_LineOfCredit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
$ 16,200,000us-gaap_LineOfCredit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Tanger Properties Limited Partnership [Member]    
Line of Credit Facility [Line Items]    
Unsecured lines of credit 111,000,000us-gaap_LineOfCredit
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
16,200,000us-gaap_LineOfCredit
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Debt [Member] | Tanger Factory Outlet Centers, Inc [Member] | Line of Credit [Member]    
Line of Credit Facility [Line Items]    
Unsecured lines of credit total borrowing capacity 520,000,000us-gaap_GuaranteeObligationsMaximumExposure
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
/ us-gaap_UnderlyingAssetClassAxis
= us-gaap_DebtMember
 
Debt [Member] | Tanger Factory Outlet Centers, Inc [Member] | Unsecured Term Loan [Member]    
Line of Credit Facility [Line Items]    
Guarantor obligations, current carrying value 250,000,000us-gaap_GuaranteeObligationsCurrentCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_LongtermDebtTypeAxis
= skt_UnsecuredTermLoanMember
/ us-gaap_UnderlyingAssetClassAxis
= us-gaap_DebtMember
 
Debt [Member] | Tanger Properties Limited Partnership [Member] | Line of Credit [Member]    
Line of Credit Facility [Line Items]    
Unsecured lines of credit 111,000,000us-gaap_LineOfCredit
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
/ us-gaap_UnderlyingAssetClassAxis
= us-gaap_DebtMember
16,200,000us-gaap_LineOfCredit
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
/ us-gaap_UnderlyingAssetClassAxis
= us-gaap_DebtMember
Ocean City Factory Outlets [Member] | Debt [Member] | Tanger Factory Outlet Centers, Inc [Member] | Mortgages [Member]    
Line of Credit Facility [Line Items]    
Guarantor obligations, current carrying value $ 17,900,000us-gaap_GuaranteeObligationsCurrentCarryingValue
/ us-gaap_DebtInstrumentAxis
= skt_OceanCityFactoryOutletsMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember
/ us-gaap_UnderlyingAssetClassAxis
= us-gaap_DebtMember