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) - Tanger Properties Limited Partnership [Member] - shares
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
General and Limited Partners' Capital Account, Units [Roll Forward]        
General partner (in units)     1,000,000  
Grant of restricted common shares awards, net of forfeitures (in units) 389,308   630,346 242,167
Issuance of deferred shares (in shares/units) 6,258   6,258  
Units withheld for employee income taxes (in units)     (56,597) (81,284)
General partner (in units) 1,000,000   1,000,000  
General partner [Member]        
General and Limited Partners' Capital Account, Units [Roll Forward]        
General partner (in units) 1,000,000 1,000,000 1,000,000 1,000,000
Grant of restricted common shares awards, net of forfeitures (in units) 0   0 0
Repurchase of units (in units)   0   0
Issuance of deferred shares (in shares/units) 0   0  
Units withheld for employee income taxes (in units)     0 0
General partner (in units) 1,000,000 1,000,000 1,000,000 1,000,000
Class A Limited Partnership Units [Member]        
General and Limited Partners' Capital Account, Units [Roll Forward]        
Limited partners (in units) 4,911,173 4,960,684 4,911,173 4,960,684
Grant of restricted common shares awards, net of forfeitures (in units) 0   0 0
Repurchase of units (in units)   0   0
Issuance of deferred shares (in shares/units) 0   0  
Units withheld for employee income taxes (in units)     0 0
Limited partners (in units) 4,911,173 4,960,684 4,911,173 4,960,684
Class B Limited Partnership Units [Member]        
General and Limited Partners' Capital Account, Units [Roll Forward]        
Limited partners (in units) 92,076,701 93,102,666 91,892,260 92,941,783
Grant of restricted common shares awards, net of forfeitures (in units) 389,308   630,346 242,167
Repurchase of units (in units)   (558,399)   (558,399)
Issuance of deferred shares (in shares/units) 6,258   6,258  
Units withheld for employee income taxes (in units)     (56,597) (81,284)
Limited partners (in units) 92,472,267 92,544,267 92,472,267 92,544,267
Limited partners [Member]        
General and Limited Partners' Capital Account, Units [Roll Forward]        
Limited partners (in units) 96,987,874 98,063,350 96,803,433 97,902,467
Grant of restricted common shares awards, net of forfeitures (in units) 389,308   630,346 242,167
Repurchase of units (in units)   (558,399)   (558,399)
Issuance of deferred shares (in shares/units) 6,258   6,258  
Units withheld for employee income taxes (in units)     (56,597) (81,284)
Limited partners (in units) 97,383,440 97,504,951 97,383,440 97,504,951