Annual report pursuant to Section 13 and 15(d)

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

v3.8.0.1
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, 2017
Dec. 31, 2016
Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Beginning balance $ 705,282    
Ending Balance 612,302 $ 705,282  
Interest rate swap gain (loss) to be reclassified within Twelve Months 1,200    
Foreign currency [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Beginning balance (33,827) (38,086) $ (14,886)
Other comprehensive loss before reclassifications 8,138 4,259 (23,200)
Ending Balance (25,689) (33,827) (38,086)
Cash flow hedges [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Beginning balance 3,993 (616) 95
Other comprehensive loss before reclassifications 1,075 2,674 (2,401)
Reclassification out of accumulated other comprehensive income into interest expense 276 1,935 1,690
Ending Balance 5,344 3,993 (616)
Accumulated other comprehensive income (loss) [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Beginning balance (29,834) (38,702) (14,791)
Other comprehensive loss before reclassifications 9,213 6,933 (25,601)
Reclassification out of accumulated other comprehensive income into interest expense 276 1,935 1,690
Ending Balance $ (20,345) $ (29,834) $ (38,702)