Annual report pursuant to Section 13 and 15(d)

Deferred Charges - Narrative (Details)

v2.4.1.9
Deferred Charges - Narrative (Details) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Amortization of above and below Market Leases $ (2,800,000)us-gaap_AmortizationOfAboveAndBelowMarketLeases $ (686,000)us-gaap_AmortizationOfAboveAndBelowMarketLeases $ 803,000us-gaap_AmortizationOfAboveAndBelowMarketLeases
Deferred Lease Costs and Other Intangibles [Member]      
Amortization of Intangible Assets 20,900,000us-gaap_AmortizationOfIntangibleAssets
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= skt_DeferredLeaseCostsandOtherIntangiblesMember 		19,800,000us-gaap_AmortizationOfIntangibleAssets
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= skt_DeferredLeaseCostsandOtherIntangiblesMember 		24,100,000us-gaap_AmortizationOfIntangibleAssets
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= skt_DeferredLeaseCostsandOtherIntangiblesMember
Other Liabilities [Member]      
Below Market Lease, Net 12,900,000us-gaap_BelowMarketLeaseNet
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherLiabilitiesMember 		15,700,000us-gaap_BelowMarketLeaseNet
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherLiabilitiesMember 		 
Tanger Factory Outlet Centers, Inc [Member]      
Amortization of Financing Costs $ 2,382,000us-gaap_AmortizationOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember 		$ 2,194,000us-gaap_AmortizationOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember 		$ 2,313,000us-gaap_AmortizationOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember