Accumulated Other Comprehensive Income (Loss) of the Company (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	$ 591,313	$ 513,934
Ending Balance	579,723	506,306
Interest rate swap gain (loss) to be reclassified within twelve months	3,100
Tanger Inc. Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(23,519)	(11,037)
Other comprehensive income (loss) before reclassifications	(838)	155
Reclassification out of accumulated other comprehensive income (loss) into other income (expense) for foreign currency and interest expense for cash flow hedges	3,077	(3,277)
Ending Balance	(21,280)	(14,159)
Foreign Currency
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(23,085)	(24,516)
Other comprehensive income (loss) before reclassifications	(838)	155
Reclassification out of accumulated other comprehensive income (loss) into other income (expense) for foreign currency and interest expense for cash flow hedges	0	0
Ending Balance	(23,923)	(24,361)
Cash flow hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(434)	13,479
Other comprehensive income (loss) before reclassifications	0	0
Reclassification out of accumulated other comprehensive income (loss) into other income (expense) for foreign currency and interest expense for cash flow hedges	3,077	(3,277)
Ending Balance	2,643	10,202
Noncontrolling Interest in Operating Partnership Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(1,274)	(713)
Ending Balance	(1,179)	(853)
Foreign Currency
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(1,293)	(1,351)
Other comprehensive income (loss) before reclassifications	(36)	9
Reclassification out of accumulated other comprehensive income (loss) into other income (expense) for foreign currency and interest expense for cash flow hedges	0	0
Ending Balance	(1,329)	(1,342)
Cash flow hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	19	638
Other comprehensive income (loss) before reclassifications	0	0
Reclassification out of accumulated other comprehensive income (loss) into other income (expense) for foreign currency and interest expense for cash flow hedges	131	(149)
Ending Balance	150	489
Noncontrolling Interests
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Other comprehensive income (loss) before reclassifications	(36)	9
Reclassification out of accumulated other comprehensive income (loss) into other income (expense) for foreign currency and interest expense for cash flow hedges	$ 131	$ (149)