Tanger Inc. Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation - Outperformance Plan (Details)

Equity-Based Compensation - Outperformance Plan (Details) - Tanger Factory Outlet Centers, Inc. [Member] - Performance shares - $ / shares	1 Months Ended		12 Months Ended
	Aug. 31, 2021	Apr. 30, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Granted (in dollars per share)			$ 11.68	$ 9.76	$ 6.35
Granted			556,794,000	688,824,000	902,167,000
2021 PSP
Maximum number of restricted common shares that may be earned			555,349
Granted (in dollars per share)	$ 12.44		$ 11.68
Granted	26,000
2020 PSP
Maximum number of restricted common shares that may be earned				688,824
Granted (in dollars per share)		$ 3.11		$ 9.65
2020 PSP \| Chief Operating Officer [Member]
Granted		205,480
2019 PSP
Maximum number of restricted common shares that may be earned					902,167
Granted (in dollars per share)					$ 7.30
2018 PSP
Maximum number of restricted common shares that may be earned						531,827
Granted (in dollars per share)						$ 12.09
Absolute portion [Member] \| 2021 PSP
Percent of total award			33.00%
Absolute portion [Member] \| 2020 PSP
Percent of total award				33.00%
Absolute portion [Member] \| 2019 PSP
Percent of total award					33.00%
Absolute portion [Member] \| 2018 PSP
Percent of total award						33.00%
Relative portion of award [Member] \| 2021 PSP
Percent of total award			67.00%
Relative portion of award [Member] \| 2020 PSP
Percent of total award				67.00%
Relative portion of award [Member] \| 2019 PSP
Percent of total award					67.00%
Relative portion of award [Member] \| 2018 PSP
Percent of total award						67.00%
Minimum \| Absolute portion [Member] \| 2021 PSP
Absolute share price appreciation range			26.00%
Percentage of units to be earned			20.00%
Minimum \| Absolute portion [Member] \| 2020 PSP
Absolute share price appreciation range				26.00%
Percentage of units to be earned				20.00%
Minimum \| Absolute portion [Member] \| 2019 PSP
Absolute share price appreciation range					37.00%
Percentage of units to be earned					20.00%
Minimum \| Absolute portion [Member] \| 2018 PSP
Absolute share price appreciation range						19.00%
Percentage of units to be earned						20.00%
Minimum \| Relative portion of award [Member] \| 2021 PSP
Percentage of units to be earned			20.00%
Threshold Percentage for Performance Target			30.00%
Minimum \| Relative portion of award [Member] \| 2020 PSP
Percentage of units to be earned				20.00%
Threshold Percentage for Performance Target				30.00%
Minimum \| Relative portion of award [Member] \| 2019 PSP
Percentage of units to be earned					20.00%
Threshold Percentage for Performance Target					30.00%
Minimum \| Relative portion of award [Member] \| 2018 PSP
Percentage of units to be earned						20.00%
Threshold Percentage for Performance Target						30.00%
Maximum \| Absolute portion [Member] \| 2021 PSP
Absolute share price appreciation range			41.00%
Percentage of units to be earned			100.00%
Maximum \| Absolute portion [Member] \| 2020 PSP
Absolute share price appreciation range				41.00%
Percentage of units to be earned				100.00%
Maximum \| Absolute portion [Member] \| 2019 PSP
Absolute share price appreciation range					52.00%
Percentage of units to be earned					100.00%
Maximum \| Absolute portion [Member] \| 2018 PSP
Absolute share price appreciation range						30.00%
Percentage of units to be earned						100.00%
Maximum \| Relative portion of award [Member] \| 2021 PSP
Percentage of units to be earned			100.00%
Threshold Percentage for Performance Target			80.00%
Maximum \| Relative portion of award [Member] \| 2020 PSP
Percentage of units to be earned				100.00%
Threshold Percentage for Performance Target				80.00%
Maximum \| Relative portion of award [Member] \| 2019 PSP
Percentage of units to be earned					100.00%
Threshold Percentage for Performance Target					80.00%
Maximum \| Relative portion of award [Member] \| 2018 PSP
Percentage of units to be earned						100.00%
Threshold Percentage for Performance Target						80.00%