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Non-Cash Activities (Details) (USD $) In Millions, unless otherwise specified | Mar. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Nonmonetary Transactions [Abstract] |  |
Expenditures included in construction trade payables | $ 7.7 | $ 15.7

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- Definition Expenditures Included In Construction Trade Payables + References No definition available. + Details
Name: | skt_ExpendituresIncludedInConstructionTradePayables
Namespace Prefix: | skt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_NonmonetaryTransactionsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration