Quarterly report pursuant to Section 13 or 15(d)

Equity Based Compensation of the Company (Narrative) (Details)

v2.4.1.9
Equity Based Compensation of the Company (Narrative) (Details) (Tanger Factory Outlet Centers, Inc [Member], USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 1 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Feb. 28, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares Paid for Tax Withholding for Share Based Compensation 30,578us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation 0us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation  
Payments Related to Tax Withholding for Share-based Compensation $ 1,084us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation $ 0us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation  
Restricted Shares [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted shares, granted (in shares)     357,844us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Lower limit, grant date fair value (in dollars per share)     $ 32.77skt_SharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValueRangeLowerLimit
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Upper limit, grant date fair value (in dollars per share)     $ 38.55skt_SharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValueRangeUpperLimit
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Independent Director's Shares [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period     3 years
Senior Executive Officer's Shares [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period     5 years
Chief Executive Officer's Shares [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation arrangement award holding period     3 years
Performance Shares [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Aggregate number of restricted common shares that may be earned (in shares)     306,600skt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateNumberOfSharesThatMayBeEarned
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Share-based Award Measurement Period     3 years