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Summary of Significant Accounting Policies - Income Taxes (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Nov. 30, 2005
Schedule of Common Dividends Per Share [Line Items] |  |  |  |
REIT Annual Taxable Income Distribution Requirement Percentage | 90.00% |  |  |
Tanger Factory Outlet Centers, Inc [Member] |  |  |  |
Schedule of Common Dividends Per Share [Line Items] |  |  |  |
Common Stock, Dividends, Per Share, Cash Paid | $ 0.8300 | $ 0.7938 | $ 0.7725 |
Preferred Stock, Liquidation Preference Per Share |  |  |  | $ 25.00
Preferred Stock, Dividends, Per Share, Cash Paid |  |  | $ 2.07 |
Preferred Stock, Redemption Price Per Share |  |  | $ 25.00 |
Preferred Stock, Redemption Price per Share Including All Accrued and Unpaid Dividends |  |  | $ 25.198 |
Payments for Repurchase of Redeemable Preferred Stock, Including Accrued Dividends |  |  | $ 75.6 |
Tanger Factory Outlet Centers, Inc [Member] | Ordinary Income [Member] |  |  |  |
Schedule of Common Dividends Per Share [Line Items] |  |  |  |
Common Stock, Dividends, Per Share, Cash Paid | $ 0.8293 | $ 0.7938 | $ 0.5361 |
Tanger Factory Outlet Centers, Inc [Member] | Return Of Captial [Member] |  |  |  |
Schedule of Common Dividends Per Share [Line Items] |  |  |  |
Common Stock, Dividends, Per Share, Cash Paid | $ 0.0007 | $ 0.0000 | $ 0.2364 |

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 + Details
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- Definition The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph d -Article 4 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d)(1)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 4, 6 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 + Details
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