v3.26.1
Partners' Equity of the Operating Partnership (Details) - shares
 1 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2026
May 31, 2026
Apr. 30, 2026
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
General and Limited Partners' Capital Account, Units [Roll Forward]              
Options exercised (in units)       4,500 800 37,700 6,000
Exchange of Class A limited partnership units (shares)             45,054
Grant of restricted common share awards, net of forfeitures (in units)       1,362   579,318 595,924
Repurchase of common units, including transaction costs (in shares) 0 0 0 0 0 (589,622)  
Exchange of Class A Limited Partnership Units (in shares)             45,054
Units withheld for employee income taxes (in units)           (245,766) (211,605)
Tanger Properties Limited Partnership              
General and Limited Partners' Capital Account, Units [Roll Forward]              
General Partnership Units (in units)           1,250,000  
Limited Partnership Units (in units)             116,196,591
Options exercised (in units)       4,500 800 37,700 6,000
Grant of restricted common share awards, net of forfeitures (in units)           579,318 595,924
Forfeitures of restricted common share awards by the company (in shares)       (1,362)      
Repurchase of common units, including transaction costs (in shares)           (589,622)  
Units withheld for employee income taxes (in units)           (245,766) (211,605)
General Partnership Units (in units) 1,250,000     1,250,000   1,250,000  
Limited Partnership Units (in units)         116,586,910   116,586,910
Tanger Properties Limited Partnership | General Partnership Units              
General and Limited Partners' Capital Account, Units [Roll Forward]              
General Partnership Units (in units)     1,250,000 1,250,000 1,250,000 1,250,000 1,250,000
Options exercised (in units)       0   0 0
Grant of restricted common share awards, net of forfeitures (in units)           0 0
Units withheld for employee income taxes (in units)           0 0
General Partnership Units (in units) 1,250,000     1,250,000 1,250,000 1,250,000 1,250,000
Tanger Properties Limited Partnership | Limited Partnership Units              
General and Limited Partners' Capital Account, Units [Roll Forward]              
Limited Partnership Units (in units)     118,303,935 118,303,935 116,586,110 118,510,263  
Options exercised (in units)       4,500   37,700 6,000
Issuance of shares (in shares)         0 15,180  
Exchange of Class A limited partnership units (shares)             0
Grant of restricted common share awards, net of forfeitures (in units)           579,318  
Forfeitures of restricted common share awards by the company (in shares)       (1,362)      
Repurchase of common units, including transaction costs (in shares)           (589,622)  
Units withheld for employee income taxes (in units)           (245,766) (211,605)
Limited Partnership Units (in units) 118,307,073     118,307,073 116,586,910 118,307,073 116,586,910
Tanger Properties Limited Partnership | Class A              
General and Limited Partners' Capital Account, Units [Roll Forward]              
Limited Partnership Units (in units)     4,662,904 4,662,904 4,662,904 4,662,904 4,707,958
Options exercised (in units)       0   0 0
Exchange of Class A limited partnership units (shares)             (45,054)
Grant of restricted common share awards, net of forfeitures (in units)           0 0
Units withheld for employee income taxes (in units)           0 0
Limited Partnership Units (in units) 4,662,904     4,662,904 4,662,904 4,662,904 4,662,904
Tanger Properties Limited Partnership | Class B              
General and Limited Partners' Capital Account, Units [Roll Forward]              
Limited Partnership Units (in units)     113,625,851 113,625,851 111,923,206 113,847,359 111,488,633
Options exercised (in units)       4,500 800 37,700 6,000
Issuance of shares (in shares)         0    
Exchange of Class A limited partnership units (shares)             45,054
Grant of restricted common share awards, net of forfeitures (in units)           579,318 595,924
Forfeitures of restricted common share awards by the company (in shares)       (1,362)      
Repurchase of common units, including transaction costs (in shares)           (589,622)  
Units withheld for employee income taxes (in units)           (245,766) (211,605)
Limited Partnership Units (in units) 113,628,989     113,628,989 111,924,006 113,628,989 111,924,006
Tanger Properties Limited Partnership | Class C Limited Partnership Units              
General and Limited Partners' Capital Account, Units [Roll Forward]              
Limited Partnership Units (in units)     15,180 15,180   0  
Issuance of shares (in shares)           15,180  
Limited Partnership Units (in units) 15,180     15,180 0 15,180 0