Disposition of Properties and Properties Held for Sale (Components of Assets Held for Sale) (Details)

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Disposition of Properties and Properties Held for Sale (Components of Assets Held for Sale) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Long Lived Assets Held-for-sale [Line Items]
Rental property held for sale	$ 46,530skt_LongLivedAssetsHeldforsaleexcludingdiscontinuedoperations	$ 46,005skt_LongLivedAssetsHeldforsaleexcludingdiscontinuedoperations
Rental property, net
Long Lived Assets Held-for-sale [Line Items]
Rental property held for sale	43,982skt_LongLivedAssetsHeldforsaleexcludingdiscontinuedoperations / us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis = skt_RentalpropertynetMember	43,532skt_LongLivedAssetsHeldforsaleexcludingdiscontinuedoperations / us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis = skt_RentalpropertynetMember
Deferred lease costs and other intangibles, net
Long Lived Assets Held-for-sale [Line Items]
Rental property held for sale	834skt_LongLivedAssetsHeldforsaleexcludingdiscontinuedoperations / us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis = skt_DeferredLeaseCostsandOtherIntangiblesMember	757skt_LongLivedAssetsHeldforsaleexcludingdiscontinuedoperations / us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis = skt_DeferredLeaseCostsandOtherIntangiblesMember
Prepaids and other assets
Long Lived Assets Held-for-sale [Line Items]
Rental property held for sale	$ 1,714skt_LongLivedAssetsHeldforsaleexcludingdiscontinuedoperations / us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis = us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember	$ 1,716skt_LongLivedAssetsHeldforsaleexcludingdiscontinuedoperations / us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis = us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember