Partners' Equity of the Operating Partnership (Details) - shares	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
General and Limited Partners' Capital Account, Units [Roll Forward]
Exchange of Class A limited partnership units (in shares / units)	45,054		30,024
Issuance of deferred units or common units (in shares/units)	1,915,762	3,374,184	3,494,919
Tanger Properties Limited Partnership [Member]
General and Limited Partners' Capital Account, Units [Roll Forward]
General partner (in units)	1,250,000
Units withheld for employee income taxes (in units)	(235,838)	(419,643)	(379,512)
Grant of restricted common shares awards by the Company, net of forfeitures (in shares / units)	591,438	769,382	1,064,400
Issuance of deferred units or common units (in shares/units)		136,469
Options exercised (in units)	42,310	84,990	85,500
General partner (in units)	1,250,000	1,250,000
Tanger Properties Limited Partnership [Member] | General partner [Member]
General and Limited Partners' Capital Account, Units [Roll Forward]
General partner (in units)	1,250,000	1,150,000	1,100,000
Units withheld for employee income taxes (in units)	0	0	0
Exchange of Class A limited partnership units (in shares / units)	0		0
Grant of restricted common shares awards by the Company, net of forfeitures (in shares / units)	0	0	0
Issuance of deferred units or common units (in shares/units)	0	100,000	50,000
Deferred shares issued (in shares / units)		0
Options exercised (in units)	0	0	0
General partner (in units)	1,250,000	1,250,000	1,150,000
Tanger Properties Limited Partnership [Member] | Class A Limited Partnership Units [Member]
General and Limited Partners' Capital Account, Units [Roll Forward]
Limited partners (in units)	4,707,958	4,707,958	4,737,982
Units withheld for employee income taxes (in units)	0	0	0
Exchange of Class A limited partnership units (in shares / units)	(45,054)		(30,024)
Grant of restricted common shares awards by the Company, net of forfeitures (in shares / units)	0	0	0
Issuance of deferred units or common units (in shares/units)	0	0	0
Deferred shares issued (in shares / units)		0
Options exercised (in units)	0	0	0
Limited partners (in units)	4,662,904	4,707,958	4,707,958
Tanger Properties Limited Partnership [Member] | Class B Limited Partnership Units [Member]
General and Limited Partners' Capital Account, Units [Roll Forward]
Limited partners (in units)	111,488,633	107,643,251	103,397,920
Units withheld for employee income taxes (in units)	(235,838)	(419,643)	(379,512)
Exchange of Class A limited partnership units (in shares / units)	45,054		30,024
Grant of restricted common shares awards by the Company, net of forfeitures (in shares / units)	591,438	769,382	1,064,400
Issuance of deferred units or common units (in shares/units)	1,915,762	3,274,184	3,444,919
Deferred shares issued (in shares / units)		136,469
Options exercised (in units)	42,310	84,990	85,500
Limited partners (in units)	113,847,359	111,488,633	107,643,251
Tanger Properties Limited Partnership [Member] | Limited partners [Member]
General and Limited Partners' Capital Account, Units [Roll Forward]
Limited partners (in units)	116,196,591	112,351,209	108,135,902
Units withheld for employee income taxes (in units)	(235,838)	(419,643)	(379,512)
Exchange of Class A limited partnership units (in shares / units)	0		0
Grant of restricted common shares awards by the Company, net of forfeitures (in shares / units)	591,438	769,382	1,064,400
Issuance of deferred units or common units (in shares/units)	1,915,762	3,274,184	3,444,919
Deferred shares issued (in shares / units)		136,469
Options exercised (in units)	42,310	84,990	85,500
Limited partners (in units)	118,510,263	116,196,591	112,351,209