Quarterly report pursuant to Section 13 or 15(d)

Debt of the Operating Partnership (Narrative) (Details)

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Debt of the Operating Partnership (Narrative) (Details) (Tanger Properties Limited Partnership [Member], USD $)
 6 Months Ended 12 Months Ended 6 Months Ended 12 Months Ended 1 Months Ended
Jun. 30, 2014
Mortgages [Member]
Dec. 31, 2013
Mortgages [Member]
Dec. 31, 2011
Mortgages [Member]
Atlantic City Outlets The Walk [Member]
Dec. 31, 2011
Mortgages [Member]
Ocean City Factory Outlets [Member]
Dec. 31, 2011
Mortgages [Member]
The Outlets at Hershey [Member]
Dec. 31, 2011
Notes Payable [Member]
Jun. 30, 2014
Unsecured Term Loan [Member]
Dec. 31, 2013
Unsecured Term Loan [Member]
Jun. 30, 2014
Line of Credit [Member]
Dec. 31, 2013
Line of Credit [Member]
Jul. 31, 2014
Subsequent Event [Member]
Unsecured Term Loan [Member]
Debt Instrument [Line Items]                      
Effective interest rates     5.05% 4.68% 3.40% 3.15%          
Basis spread on variable rate             1.60% [1] 1.60% [1] 1.00% 1.00% 1.05%
Collateral for mortgages payable $ 538,300,000 $ 566,700,000                  
Line of credit, Maximum borrowing capacity                 520,000,000    
Line of Credit Facility, Liquidity Line, Maximum Borrowings, Included in Total Line of Credit Maximum Borrowings                 20,000,000    
Line of Credit Facility, Syndicataed Line, Maximum Borrowings, Included in Total Line of Credit Maximum Borrowings                 500,000,000    
Line of Credit Facility, Syndicated Line, Potential Maximum Borrowings if Accordian Feature is Utilized                 $ 750,000,000    
Line of Credit, Dividend Restrictions, Percentage of Funds From Operations Allowed on a Cumulative Basis                 95.00%    
[1] In July 2014, we completed an amendment to this loan which reduced the interest rate from LIBOR + 1.60% to LIBOR + 1.05%.