Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation - Restricted Common Shares Narrative (Details)

v2.4.1.9
Equity-Based Compensation - Restricted Common Shares Narrative (Details) (Tanger Factory Outlet Centers, Inc [Member], USD $)
1 Months Ended 12 Months Ended 1 Months Ended 0 Months Ended
Jan. 31, 2014
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Feb. 29, 2012
Feb. 28, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Granted 933,769us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod 1,307,729us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod        
Award Vesting Period   1 year        
Restricted Shares [Member]
           
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Granted   373,960us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
349,373us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
346,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ 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]            
Award Vesting Period   3 years        
Senior Executive Officer's Shares [Member]
           
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Award 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        
Restricted Shares CEO [Member]
           
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of Restricted Common Shares Granted to Company CEO         225,000skt_NumberOfRestrictedCommonSharesGrantedToCompanyCeo
/ us-gaap_AwardTypeAxis
= skt_RestrictedSharesCeoMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Grant Date Fair Value         $ 25.44skt_ShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue
/ us-gaap_AwardTypeAxis
= skt_RestrictedSharesCeoMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Fully Vested [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of Restricted Common Shares Granted to Company CEO           45,000skt_NumberOfRestrictedCommonSharesGrantedToCompanyCeo
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ skt_VestingTypeAxis
= skt_FullyVestedMember
Service Condition [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of Restricted Common Shares Granted to Company CEO           90,000skt_NumberOfRestrictedCommonSharesGrantedToCompanyCeo
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ skt_VestingTypeAxis
= skt_ServiceConditionMember
Vesting Period of Restricted Shares Granted to Company CEO           5 years
Service and Performance Conditions [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of Restricted Common Shares Granted to Company CEO           90,000skt_NumberOfRestrictedCommonSharesGrantedToCompanyCeo
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ skt_VestingTypeAxis
= skt_ServiceAndPerformanceConditionsMember
Vesting Period of Restricted Shares Granted to Company CEO           5 years