Annual report pursuant to Section 13 and 15(d)

Accumulated Other Comprehensive Loss of the Operating Partnership - Balances of Each Component (Details)

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Accumulated Other Comprehensive Loss of the Operating Partnership - Balances of Each Component (Details) - Tanger Properties Limited Partnership [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Beginning balance $ 612,302    
Ending Balance 505,535 $ 612,302  
Interest rate swap gain (loss) to be reclassified within twelve months 2,900    
Foreign currency [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Beginning balance (25,689) (33,827) $ (38,086)
Other comprehensive income before reclassifications (8,691) 8,138 4,259
Ending Balance (34,380) (25,689) (33,827)
Cash flow hedges [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Beginning balance 5,344 3,993 (616)
Other comprehensive income before reclassifications 2,461 1,075 2,674
Reclassification out of accumulated other comprehensive income into interest expense (2,056) 276 1,935
Ending Balance 5,749 5,344 3,993
Accumulated other comprehensive income (loss) [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Beginning balance (20,345) (29,834) (38,702)
Other comprehensive income before reclassifications (6,230) 9,213 6,933
Reclassification out of accumulated other comprehensive income into interest expense (2,056) 276 1,935
Ending Balance $ (28,631) $ (20,345) $ (29,834)