Quarterly report pursuant to Section 13 or 15(d)

Partners' Equity of the Operating Partnership (Details)

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Partners' Equity of the Operating Partnership (Details) - shares
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
General and Limited Partners' Capital Account, Units [Roll Forward]        
Issuance of shares (in shares/units) 331,682 0 10,009,263 0
Units Withheld for Employee Income Taxes (in units)     (121,000) (57,000)
Tanger Properties Limited Partnership [Member]        
General and Limited Partners' Capital Account, Units [Roll Forward]        
General Partnership Units (in units)     1,000,000  
Forfeitures of restricted common share awards (in shares)   (18,996)    
Grant of restricted common share awards, net of forfeitures (in units) 23,488   493,163 611,350
Issuance of shares (in shares/units) 331,682   10,009,263 6,258
Units Withheld for Employee Income Taxes (in units) (8,756)   (120,733) (56,597)
Options exercised (in units) 17,240   32,740  
General Partnership Units (in units) 1,100,000   1,100,000  
Tanger Properties Limited Partnership [Member] | General partner [Member]        
General and Limited Partners' Capital Account, Units [Roll Forward]        
General Partnership Units (in units) 1,100,000 1,000,000 1,000,000 1,000,000
Forfeitures of restricted common share awards (in shares)   0    
Grant of restricted common share awards, net of forfeitures (in units) 0   0 0
Issuance of shares (in shares/units) 0   100,000 0
Units Withheld for Employee Income Taxes (in units) 0   0 0
Options exercised (in units) 0   0  
General Partnership Units (in units) 1,100,000 1,000,000 1,100,000 1,000,000
Tanger Properties Limited Partnership [Member] | Class A Limited Partnership Units [Member]        
General and Limited Partners' Capital Account, Units [Roll Forward]        
Limited Partnership Units (in units) 4,794,643 4,911,173 4,794,643 4,911,173
Forfeitures of restricted common share awards (in shares)   0    
Grant of restricted common share awards, net of forfeitures (in units) 0   0 0
Issuance of shares (in shares/units) 0   0 0
Units Withheld for Employee Income Taxes (in units) 0   0 0
Options exercised (in units) 0   0  
Limited Partnership Units (in units) 4,794,643 4,911,173 4,794,643 4,911,173
Tanger Properties Limited Partnership [Member] | Class B Limited Partnership Units [Member]        
General and Limited Partners' Capital Account, Units [Roll Forward]        
Limited Partnership Units (in units) 102,520,580 92,472,267 92,569,801 91,892,260
Forfeitures of restricted common share awards (in shares)   (18,996)    
Grant of restricted common share awards, net of forfeitures (in units) 23,488   493,163 611,350
Issuance of shares (in shares/units) 331,682   9,909,263 6,258
Units Withheld for Employee Income Taxes (in units) (8,756)   (120,733) (56,597)
Options exercised (in units) 17,240   32,740  
Limited Partnership Units (in units) 102,884,234 92,453,271 102,884,234 92,453,271
Tanger Properties Limited Partnership [Member] | Limited partners [Member]        
General and Limited Partners' Capital Account, Units [Roll Forward]        
Limited Partnership Units (in units) 107,315,223 97,383,440 97,364,444 96,803,433
Forfeitures of restricted common share awards (in shares)   (18,996)    
Grant of restricted common share awards, net of forfeitures (in units) 23,488   493,163 611,350
Issuance of shares (in shares/units) 331,682   9,909,263 6,258
Units Withheld for Employee Income Taxes (in units) (8,756)   (120,733) (56,597)
Options exercised (in units) 17,240   32,740  
Limited Partnership Units (in units) 107,678,877 97,364,444 107,678,877 97,364,444