CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Tanger Factory Outlet Centers, Inc. [Member]	Tanger Factory Outlet Centers, Inc. [Member] Common shares [Member]	Tanger Factory Outlet Centers, Inc. [Member] Paid in capital [Member]	Tanger Factory Outlet Centers, Inc. [Member] Accumulated distributions in excess of earnings [Member]	Tanger Factory Outlet Centers, Inc. [Member] Accumulated other comprehensive loss [Member]	Tanger Factory Outlet Centers, Inc. [Member] Total shareholders'/partners equity [Member]	Tanger Factory Outlet Centers, Inc. [Member] Noncontrolling interests [Member] Limited partners [Member]	Tanger Factory Outlet Centers, Inc. [Member] Noncontrolling interests [Member] Other Ownership Interest [Member]	Tanger Properties Limited Partnership [Member]	Tanger Properties Limited Partnership [Member] Accumulated other comprehensive loss [Member]	Tanger Properties Limited Partnership [Member] Total shareholders'/partners equity [Member]	Tanger Properties Limited Partnership [Member] Noncontrolling interests [Member]	Tanger Properties Limited Partnership [Member] General partner [Member]	Tanger Properties Limited Partnership [Member] Limited partners [Member]
Beginning balance at Dec. 31, 2018	$ 505,535	$ 939	$ 778,845	$ (272,454)	$ (27,151)	$ 480,179	$ 25,356
Balance, partners' capital, including portion attributable to noncontrolling interest at Dec. 31, 2018									$ 505,535	$ (28,631)	$ 505,535		$ 4,914	$ 529,252
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	92,728			87,855		87,855	4,678	$ 195	92,728		92,533	$ 195	936	91,597
Other comprehensive income (loss)	1,743				1,656	1,656	87		1,743	1,743	1,743
Compensation under Incentive Award Plan	18,504		18,504			18,504			18,504		18,504			18,504
Grant of restricted common shares awards, net of forfeitures		3	(3)
Repurchase of common shares, including transaction costs	(20,000)	(12)	(19,988)			(20,000)			(20,000)		(20,000)			(20,000)
Withholding of common shares/units for employee income taxes	(2,524)	(1)	(2,523)			(2,524)			(2,524)		(2,524)			(2,524)
Contributions from noncontrolling interests	47							47	47			47
Adjustment for noncontrolling interest in Operating Partnership			200			200	(200)
Common distributions									(139,682)		(139,682)		(1,415)	(138,267)
Common dividends	(132,664)			(132,664)		(132,664)
Distributions to noncontrolling interests	(7,260)						(7,018)	(242)	(242)			(242)
Ending balance at Dec. 31, 2019	456,109	929	775,035	(317,263)	(25,495)	433,206	22,903
Balance, partners' capital, including portion attributable to noncontrolling interest at Dec. 31, 2019									456,109	(26,888)	456,109		4,435	478,562
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(38,013)			(36,278)		(36,278)	(1,925)	190	(38,013)		(38,203)	190	(388)	(37,815)
Other comprehensive income (loss)	(1,151)				(1,090)	(1,090)	(61)		(1,151)	(1,151)	(1,151)
Compensation under Incentive Award Plan	12,926		12,926			12,926			12,926		12,926			12,926
Grant of restricted common shares awards, net of forfeitures		6	(6)
Withholding of common shares/units for employee income taxes	(736)		(736)			(736)			(736)		(736)			(736)
Contributions from noncontrolling interests	72							72	72			72
Adjustment for noncontrolling interest in Operating Partnership			(75)			(75)	75
Exchange of Operating Partnership units for common shares		1	(1)
Common distributions									(70,062)		(70,062)		(713)	(69,349)
Common dividends	(66,563)			(66,563)		(66,563)
Distributions to noncontrolling interests	(3,761)						(3,499)	(262)	(262)			(262)
Ending balance at Dec. 31, 2020	358,883	936	787,143	(420,104)	(26,585)	341,390	17,493	0
Balance, partners' capital, including portion attributable to noncontrolling interest at Dec. 31, 2020									358,883	(28,039)	358,883	0	3,334	383,588
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	9,558			9,118		9,118	440		9,558		9,558		100	9,458
Other comprehensive income (loss)	9,266				8,824	8,824	442		9,266	9,266	9,266
Compensation under Incentive Award Plan	12,845		12,845			12,845			12,845		12,845			12,845
Issuance of common shares upon exercise of options	266		266			266			266		266			266
Grant of restricted common shares awards, net of forfeitures		6	(6)
Issuance of common shares	186,969	100	186,869			186,969			186,969		186,969		1,874	185,095
Withholding of common shares/units for employee income taxes	(2,147)	(1)	(2,146)			(2,147)			(2,147)		(2,147)			(2,147)
Contributions from noncontrolling interests									0			0
Adjustment for noncontrolling interest in Operating Partnership						(6,917)	6,917
Common distributions									(75,851)		(75,851)		(769)	(75,082)
Common dividends	(72,423)			(72,423)		(72,423)
Distributions to noncontrolling interests	(3,428)						(3,428)
Ending balance at Dec. 31, 2021	$ 499,789	$ 1,041	$ 978,054	$ (483,409)	$ (17,761)	$ 477,925	$ 21,864	$ 0
Balance, partners' capital, including portion attributable to noncontrolling interest at Dec. 31, 2021									$ 499,789	$ (18,773)	$ 499,789	$ 0	$ 4,539	$ 514,023