Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation - Share-Based Compensation Expense (Details)

v2.4.1.9
Equity-Based Compensation - Share-Based Compensation Expense (Details) (Tanger Factory Outlet Centers, Inc [Member], USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended 0 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Feb. 28, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share based compensation expense $ 14,750us-gaap_ShareBasedCompensation $ 11,376us-gaap_ShareBasedCompensation $ 10,676us-gaap_ShareBasedCompensation [1]  
Restricted Shares [Member]
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share based compensation expense 9,978us-gaap_ShareBasedCompensation
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember 		8,354us-gaap_ShareBasedCompensation
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember 		8,497us-gaap_ShareBasedCompensation
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember 		[1]  
Notional Unit Performance Awards [Member]
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share based compensation expense 4,313us-gaap_ShareBasedCompensation
/ us-gaap_AwardTypeAxis
= skt_NotionalUnitPerformanceAwardsMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember 		2,847us-gaap_ShareBasedCompensation
/ us-gaap_AwardTypeAxis
= skt_NotionalUnitPerformanceAwardsMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember 		1,970us-gaap_ShareBasedCompensation
/ us-gaap_AwardTypeAxis
= skt_NotionalUnitPerformanceAwardsMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember 		[1]  
Employee Stock Option [Member]
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share based compensation expense 459us-gaap_ShareBasedCompensation
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember 		175us-gaap_ShareBasedCompensation
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember 		209us-gaap_ShareBasedCompensation
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember 		[1]  
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
Fully Vested [Member] | Restricted Shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share based compensation expense     $ 1,300us-gaap_ShareBasedCompensation
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ skt_VestingTypeAxis
= skt_FullyVestedMember 		 
[1] For the year ended December 31, 2012, includes approximately $1.3 million of compensation expense related to 45,000 common shares that vested immediately upon grant related to the Employment Agreement described above.