Accumulated Other Comprehensive Income (Loss) of the Company (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	$ 579,723	$ 506,306	$ 591,313	$ 513,934
Ending Balance	577,580	507,743	577,580	507,743
Interest rate swap gain (loss) to be reclassified within twelve months			3,000
Tanger Inc. Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(21,280)	(14,159)	(23,519)	(11,037)
Other comprehensive income (loss) before reclassifications	(38)	1,174	(876)	1,329
Reclassification out of accumulated other comprehensive income (loss) into other income (expense) for foreign currency and interest expense for cash flow hedges	651	(357)	3,728	(3,634)
Ending Balance	(20,667)	(13,342)	(20,667)	(13,342)
Foreign Currency
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(23,923)	(24,361)	(23,085)	(24,516)
Other comprehensive income (loss) before reclassifications	(38)	1,174	(876)	1,329
Reclassification out of accumulated other comprehensive income (loss) into other income (expense) for foreign currency and interest expense for cash flow hedges	0	0	0	0
Ending Balance	(23,961)	(23,187)	(23,961)	(23,187)
Cash flow hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	2,643	10,202	(434)	13,479
Other comprehensive income (loss) before reclassifications	0	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	651	(357)	3,728	(3,634)
Ending Balance	3,294	9,845	3,294	9,845
Noncontrolling Interest in Operating Partnership Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(1,179)	(855)	(1,274)	(713)
Ending Balance	(1,154)	(818)	(1,154)	(818)
Foreign Currency
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(1,329)	(1,344)	(1,293)	(1,351)
Other comprehensive income (loss) before reclassifications	(2)	53	(38)	60
Reclassification out of accumulated other comprehensive income (loss) into other income (expense) for foreign currency and interest expense for cash flow hedges		0	0	0
Ending Balance	(1,331)	(1,291)	(1,331)	(1,291)
Cash flow hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	150	489	19	638
Other comprehensive income (loss) before reclassifications	0	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	27	(16)	158	(165)
Ending Balance	177	473	177	473
Noncontrolling Interests
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Other comprehensive income (loss) before reclassifications	(2)	53	(38)	60
Reclassification out of accumulated other comprehensive income (loss) into other income (expense) for foreign currency and interest expense for cash flow hedges	$ 27	$ (16)	$ 158	$ (165)