Summary of Significant Accounting Policies - Deferred Charges (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accounting Policies [Abstract]
Below Market Lease, Net		$ 6.4
Deferred lease costs capitalized	$ 4.0	$ 5.1	$ 10.7

Deferred Lease Costs Capitalized - Deferred Lease Costs Capitalized during the period include internal lease costs and amounts paid to third-party brokers.

No definition available.

Name:	skt_DeferredLeaseCostsCapitalized
Namespace Prefix:	skt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration