Partners' Equity of the Operating Partnership (Details) - shares	1 Months Ended	3 Months Ended		6 Months Ended
	Jul. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
General and Limited Partners' Capital Account, Units [Roll Forward]
Options exercised (in units)		800	15,500	2,700	15,500
Issuance of units (in units)	331,682	0	2,810,503	0	9,677,581
Grant of restricted common share awards, net of forfeitures (in units)				499,336	469,675
Forfeitures of restricted common share awards by the company (in shares)		(13,062)
Units withheld for employee income taxes (in units)		(62,007)		(191,978)	(111,977)
Tanger Properties Limited Partnership
General and Limited Partners' Capital Account, Units [Roll Forward]
General Partnership Units (in units)				1,100,000
Options exercised (in units)			15,500	2,700	15,500
Issuance of units (in units)			2,810,503		9,677,581
Grant of restricted common share awards, net of forfeitures (in units)		800		499,336	469,675
Forfeitures of restricted common share awards by the company (in shares)		(13,062)
Units withheld for employee income taxes (in units)		(62,007)		(191,978)	(111,977)
General Partnership Units (in units)		1,100,000		1,100,000
Tanger Properties Limited Partnership | General Partnership Units
General and Limited Partners' Capital Account, Units [Roll Forward]
General Partnership Units (in units)	1,100,000	1,100,000	1,100,000	1,100,000	1,000,000
Options exercised (in units)		0	0	0	0
Issuance of units (in units)			0		100,000
Grant of restricted common share awards, net of forfeitures (in units)				0	0
Forfeitures of restricted common share awards by the company (in shares)		0
Units withheld for employee income taxes (in units)		0		0	0
General Partnership Units (in units)		1,100,000	1,100,000	1,100,000	1,100,000
Tanger Properties Limited Partnership | Limited Partnership Units
General and Limited Partners' Capital Account, Units [Roll Forward]
Limited Partnership Units (in units)	107,315,223	108,130,620	104,489,220	107,746,293	97,364,444
Options exercised (in units)		800	15,500	2,700	15,500
Issuance of units (in units)			2,810,503		9,577,581
Grant of restricted common share awards, net of forfeitures (in units)				499,336	469,675
Forfeitures of restricted common share awards by the company (in shares)		(13,062)
Units withheld for employee income taxes (in units)		(62,007)		(191,978)	(111,977)
Limited Partnership Units (in units)		108,056,351	107,315,223	108,056,351	107,315,223
Tanger Properties Limited Partnership | Class A
General and Limited Partners' Capital Account, Units [Roll Forward]
Limited Partnership Units (in units)	4,794,643	4,761,559	4,794,643	4,761,559	4,794,643
Options exercised (in units)		0	0	0	0
Issuance of units (in units)			0		0
Grant of restricted common share awards, net of forfeitures (in units)				0	0
Forfeitures of restricted common share awards by the company (in shares)		0
Units withheld for employee income taxes (in units)		0		0	0
Limited Partnership Units (in units)		4,761,559	4,794,643	4,761,559	4,794,643
Tanger Properties Limited Partnership | Class B
General and Limited Partners' Capital Account, Units [Roll Forward]
Limited Partnership Units (in units)	102,520,580	103,369,061	99,694,577	102,984,734	92,569,801
Options exercised (in units)		800	15,500	2,700	15,500
Issuance of units (in units)			2,810,503		9,577,581
Grant of restricted common share awards, net of forfeitures (in units)				499,336	469,675
Forfeitures of restricted common share awards by the company (in shares)		(13,062)
Units withheld for employee income taxes (in units)		(62,007)		(191,978)	(111,977)
Limited Partnership Units (in units)		103,294,792	102,520,580	103,294,792	102,520,580