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Summary of Significant Accounting Policies - Income Taxes - Schedule of Taxable Income Available to Common Shareholders (Details) (Tanger Factory Outlet Centers, Inc [Member], USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Tanger Factory Outlet Centers, Inc [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Taxable Income Available to Common Shareholders [Line Items] |  |  |  |  |  |  |  |  |  |  |
Income (Loss) from Continuing Operations Attributable to Parent | $ 18,056 | $ 15,237 | $ 11,717 | $ 8,128 | $ 13,357 | $ 12,464 | $ 9,422 | $ 9,398 | $ 53,228 | $ 44,641 | $ 34,249
Dividends, Preferred Stock, Cash Paid |  |  |  |  |  |  |  |  | 0 | 0 | (6,219)
Income Tax Reconciliation, Nondeductible Expense, Depreciation and Amortization |  |  |  |  |  |  |  |  | 16,034 | 16,232 | 23,469
Income Tax Reconciliation, Disposition of Assets |  |  |  |  |  |  |  |  | (1,543) | (3,113) | (6,706)
Income Tax Reconciliation, Equity in Earnings (Losses) of Unconsolidated Subsidiary |  |  |  |  |  |  |  |  | 5,037 | 2,482 | 1,326
Income Tax Reconciliation, Nondeductible Expense, Share-based Compensation Cost |  |  |  |  |  |  |  |  | (6,298) | (491) | (3,154)
Income Tax Reconciliation, Other Adjustments |  |  |  |  |  |  |  |  | (850) | 997 | (5,169)
Taxable Income Available to Common Shareholders |  |  |  |  |  |  |  |  | $ 65,608 | $ 60,748 | $ 37,796

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- Definition The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to the disposition of assets in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 + Details
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- Definition The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to the equity in earnings (losses) of unconsolidated subsidiaries recorded in the period that is exempt from income taxes under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 + Details
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- Definition The sum of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to the different depreciation and amortization methods allowed under generally accepted accounting principles and enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 + Details
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- Definition The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to differences in the deductibility of incentive stock options and other equity-based compensation costs in accordance with generally accepted accounting principles and enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 + Details
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- Definition The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the year/accounting period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to all other items not otherwise listed in the existing taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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