Accumulated Other Comprehensive Income (Loss) of the Company (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	$ 661,342	$ 577,580	$ 679,674	$ 591,313
Ending Balance	732,151	592,632	732,151	592,632
Interest rate swap gain (loss) to be reclassified within twelve months			638
Tanger Inc. Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(28,408)	(20,667)	(27,687)	(23,519)
Other comprehensive income (loss) before reclassifications	(357)	(178)	934	(1,054)
Reclassification out of accumulated other comprehensive income (loss) into other income (expense) for foreign currency and interest expense for cash flow hedges	(179)	(6,573)	(2,191)	(2,845)
Ending Balance	(28,944)	(27,418)	(28,944)	(27,418)
Foreign Currency
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(26,594)	(23,961)	(27,885)	(23,085)
Other comprehensive income (loss) before reclassifications	(357)	(178)	934	(1,054)
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	(26,951)	(24,139)	(26,951)	(24,139)
Cash flow hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(1,814)	3,294	198	(434)
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	(179)	(6,573)	(2,191)	(2,845)
Ending Balance	(1,993)	(3,279)	(1,993)	(3,279)
Noncontrolling Interest in Operating Partnership Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(1,476)	(1,154)	(1,447)	(1,274)
Ending Balance	(1,494)	(1,435)	(1,494)	(1,435)
Foreign Currency
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(1,394)	(1,331)	(1,451)	(1,293)
Other comprehensive income (loss) before reclassifications	(11)	39	46	1
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	(1,405)	(1,292)	(1,405)	(1,292)
Cash flow hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(82)	177	4	19
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	(7)	(320)	(93)	(162)
Ending Balance	(89)	(143)	(89)	(143)
Noncontrolling Interests
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Other comprehensive income (loss) before reclassifications	(11)	39	46	1
Reclassification out of accumulated other comprehensive income (loss) into other income (expense) for foreign currency and interest expense for cash flow hedges	$ (7)	$ (320)	$ (93)	$ (162)