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, 2025	Dec. 31, 2024	Dec. 31, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ 679,674
Ending Balance	735,104	$ 679,674
Foreign currency [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(29,334)	(24,376)	$ (25,867)
Other comprehensive income (loss) before reclassifications	1,541	(4,958)	1,491
Ending Balance	(27,793)	(29,334)	(24,376)
Cash flow hedges [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	204	(417)	14,117
Other comprehensive income (loss) before reclassifications	0	0	0
Reclassification out of accumulated other comprehensive income (loss) into other income (expense) for foreign currency and interest expense for cash flow hedges	(2,234)	621	14,534
Ending Balance	(2,030)	204	(417)
Accumulated other comprehensive income (loss) [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(29,130)	(24,793)	(11,750)
Other comprehensive income (loss) before reclassifications	1,541	(4,958)	1,491
Reclassification out of accumulated other comprehensive income (loss) into other income (expense) for foreign currency and interest expense for cash flow hedges	(2,234)	621	(14,534)
Ending Balance	$ (29,823)	$ (29,130)	$ (24,793)