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Equity-Based Compensation - Options Narrative (Details) (Tanger Factory Outlet Centers, Inc [Member], USD $) | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Feb. 28, 2014 | Mar. 31, 2014 | Dec. 31, 2014 | Apr. 04, 2014
Tanger Factory Outlet Centers, Inc [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of common shares that may be issued |  |  |  | 15,400,000.0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Total Options Granted, to Date, Net of Forfeitures |  |  | 7,583,960skt_TotalOptionsGrantedToDateNetOfForfeitures / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Total Restricted Shares Granted, To Date, Net of Forfeitures |  |  | 4,573,683skt_TotalRestrictedSharesGrantedToDateNetOfForfeitures / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Total Number of Common Shares The Could Be Issued Upon Vesting of Notional Units Granted, to Date |  |  | 644,850skt_TotalNumberOfCommonSharesCouldBeIssuedUponVestingOfNotionalUnitsGrantedToDate / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Shares remaining available for future issuance |  |  | 2,597,507us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Grants of options to non-executive employees | 282,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 282,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Options granted price (in dollars per share) |  | $ 32.02us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | $ 32.02us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Options expiration period from date of grant |  |  | 10 years |
Percentage of Options Becoming Exercisable Each Year |  |  | 20.00%skt_ShareBasedPaymentAwardOptionsPercentageOfOptionsBecomingExerciseableEachYear / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Share-based compensation period in which option is exercisable |  |  | 5 years |
Award Vesting Period |  |  | 1 year |
Expected Dividend Rate |  |  | 2.80%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Expected Life Term |  |  | 7 years |
Expected Volatility Rate |  |  | 32.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Risk Free Interest Rate |  |  | 2.46%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Forfeiture Rate Used, Minimum |  |  | 3.00%skt_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRateUsedMinimum / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Forfeiture Rate Used, Maximum |  |  | 13.50%skt_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRateUsedMaximum / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |

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- Definition Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Forfeiture Rate Used, Maximum + References No definition available. + Details
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- Definition Share-based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Forfeiture Rate Used, Minimum + References No definition available. + Details
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- Definition Share-based compensation period in which option is exercisable + References No definition available. + Details
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- Definition Share-based Payment Award, Options, Percentage of Options Becoming Exerciseable Each Year + References No definition available. + Details
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- Definition Total Number of Common Shares The Could Be Issued Upon Vesting of Notional Units Granted, to Date + References No definition available. + Details
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- Definition Total Options Granted, to Date, Net of Forfeitures + References No definition available. + Details
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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.D.2) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section D -Subsection 2 + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Net number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. + References No definition available. + Details
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