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Summary of Significant Accounting Policies - Equity Method Investment and Unit Split (Details) (USD $)
In Millions, unless otherwise specified |
1 Months Ended | ||||
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Dec. 31, 2013
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Dec. 31, 2012
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Aug. 31, 2013
Tanger Properties Limited Partnership [Member]
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Dec. 31, 2013
Westgate [Member]
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Dec. 31, 2012
Westgate [Member]
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| Equity method investments | $ 140.2 | $ 126.6 | $ 16.1 | $ 19.1 | |
| Stock split, conversion ratio | 4 | ||||
| Exchange ratio of partnership units for common shares | 1 | ||||
| Partnership unit exchange ratio | 4 |
| X | ||||||||||
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- Definition
Exchange Ratio of Partnership Units for Common Shares, Number of common shares a holder of a partnership unit would receive in exchange for that partnership unit. No definition available.
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| X | ||||||||||
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- Definition
Partnership Unit Exchange Ratio - The number of common shares that would have been received in exchange for one partnership unit, prior to the four for one split in August 2013. No definition available.
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- Definition
This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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