Quarterly report pursuant to Section 13 or 15(d)

Debt of the Operating Partnership (Narrative) (Details)

v3.5.0.2
Debt of the Operating Partnership (Narrative) (Details)
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Apr. 30, 2016
USD ($)
Feb. 29, 2016
USD ($)
Jan. 31, 2016
USD ($)
ft²
Mar. 31, 2016
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Dec. 31, 2015
USD ($)
Jun. 23, 2016
USD ($)
Dec. 31, 2011
Tanger Properties Limited Partnership [Member]                  
Debt Instrument [Line Items]                  
Repayments of Long-term Debt         $ 609,551,000 $ 230,887,000      
Principal         1,617,350,000   $ 1,567,186,000    
Tanger Properties Limited Partnership [Member] | Mortgages [Member]                  
Debt Instrument [Line Items]                  
Collateral for mortgages payable         495,200,000   622,800,000    
Tanger Properties Limited Partnership [Member] | Mortgages [Member] | Atlantic City Outlets The Walk [Member]                  
Debt Instrument [Line Items]                  
Effective interest rates                 5.05%
Principal [1]         41,911,000   43,312,000    
Tanger Properties Limited Partnership [Member] | Mortgages [Member] | Deer Park [Member]                  
Debt Instrument [Line Items]                  
Repayments of Long-term Debt     $ 150,000,000            
Principal         0   150,000,000    
Tanger Properties Limited Partnership [Member] | Unsecured Notes Payable [Member]                  
Debt Instrument [Line Items]                  
Effective interest rates                 3.15%
Principal [1]         0   10,000,000 $ 10,000,000  
Tanger Properties Limited Partnership [Member] | Line of Credit [Member]                  
Debt Instrument [Line Items]                  
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, Syndicated Line, Maximum Borrowings, Included in Total Line of Credit Maximum Borrowings         500,000,000        
Line of Credit Facility, Syndicated Line, Potential Maximum Borrowings if Accordion Feature is Utilized         $ 1,000,000,000        
Line of Credit, Dividend Restrictions, Percentage of Funds From Operations Allowed on a Cumulative Basis         95.00%        
Principal         $ 259,200,000   190,300,000    
Tanger Properties Limited Partnership [Member] | Unsecured Term Note [Member]                  
Debt Instrument [Line Items]                  
Repayments of Long-term Debt   $ 7,500,000              
Principal         0   7,500,000    
Tanger Properties Limited Partnership [Member] | Unsecured Term Loan [Member]                  
Debt Instrument [Line Items]                  
Line of Credit Facility, Syndicated Line, Potential Maximum Borrowings if Accordion Feature is Utilized $ 175,000,000     $ 150,000,000          
Principal $ 325,000,000     $ 250,000,000 $ 325,000,000   $ 250,000,000    
Minimum [Member]                  
Debt Instrument [Line Items]                  
Percent of guaranty of completion and principal guaranty         5.00%        
Maximum [Member]                  
Debt Instrument [Line Items]                  
Percent of guaranty of completion and principal guaranty         100.00%        
Deer Park [Member]                  
Debt Instrument [Line Items]                  
Square Feet | ft²     749,000            
London Interbank Offered Rate (LIBOR) [Member] | Tanger Properties Limited Partnership [Member] | Mortgages [Member] | Deer Park [Member]                  
Debt Instrument [Line Items]                  
Basis spread on variable rate             1.50%    
London Interbank Offered Rate (LIBOR) [Member] | Tanger Properties Limited Partnership [Member] | Line of Credit [Member]                  
Debt Instrument [Line Items]                  
Basis spread on variable rate         0.90%   0.90%    
London Interbank Offered Rate (LIBOR) [Member] | Tanger Properties Limited Partnership [Member] | Unsecured Term Note [Member]                  
Debt Instrument [Line Items]                  
Basis spread on variable rate             1.30%    
London Interbank Offered Rate (LIBOR) [Member] | Tanger Properties Limited Partnership [Member] | Unsecured Term Loan [Member]                  
Debt Instrument [Line Items]                  
Basis spread on variable rate 0.95%     1.05% 0.95%   1.05%    
[1] The effective interest rates assigned during the purchase price allocation to the assumed mortgage and note payable during acquisitions in 2011 were as follows: Atlantic City 5.05% and unsecured note payable 3.15%.