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

Expenditures Included In Construction Trade Payables

No definition available.

Name:	skt_ExpendituresIncludedInConstructionTradePayables
Namespace Prefix:	skt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant