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
Mar. 31, 2020
Mar. 31, 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) 241,038 242,167
Units withheld for employee income taxes (in units) (56,597) (81,284)
General partner (in units) 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
Grant of restricted common shares awards, net of forfeitures (in units) 0 0
Units withheld for employee income taxes (in units) 0 0
General partner (in units) 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
Grant of restricted common shares awards, net of forfeitures (in units) 0 0
Units withheld for employee income taxes (in units) 0 0
Limited partners (in units) 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) 91,892,260 92,941,783
Grant of restricted common shares awards, net of forfeitures (in units) 241,038 242,167
Units withheld for employee income taxes (in units) (56,597) (81,284)
Limited partners (in units) 92,076,701 93,102,666
Limited partners [Member]    
General and Limited Partners' Capital Account, Units [Roll Forward]    
Limited partners (in units) 96,803,433 97,902,467
Grant of restricted common shares awards, net of forfeitures (in units) 241,038 242,167
Units withheld for employee income taxes (in units) (56,597) (81,284)
Limited partners (in units) 96,987,874 98,063,350