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Share-based Compensation of the Company Share-Based Compensation Expense (Details) (Tanger Factory Outlet Centers, Inc, USD $)
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12 Months Ended | 3 Months Ended | |||||||||||
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Dec. 31, 2011
years
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Dec. 31, 2010
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Dec. 31, 2009
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Dec. 31, 2011
Restricted Shares [Member]
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Dec. 31, 2010
Restricted Shares [Member]
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Dec. 31, 2009
Restricted Shares [Member]
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Dec. 31, 2011
Notional Unit Performance Awards [Member]
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Dec. 31, 2010
Notional Unit Performance Awards [Member]
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Dec. 31, 2009
Notional Unit Performance Awards [Member]
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Dec. 31, 2011
Options [Member]
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Dec. 31, 2010
Options [Member]
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Dec. 31, 2009
Options [Member]
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Mar. 31, 2011
Member Four Exercise Price [Member]
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| Schedule of Share Based Compensation by Award Type [Line Items] | |||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate | 3.00% | ||||||||||||
| Share-based Compensation | $ 7,291,000 | $ 5,848,000 | $ 11,798,000 | $ 5,227,000 | $ 4,095,000 | $ 11,720,000 | $ 1,885,000 | $ 1,753,000 | $ 0 | $ 179,000 | $ 0 | $ 78,000 | |
| Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized | $ 19,500,000 | ||||||||||||
| Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition | 3.2 | ||||||||||||
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- Details
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| X | ||||||||||
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- Definition
As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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