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

Equity-Based Compensation - Restricted Common Shares Narrative (Details)

Equity-Based Compensation - Restricted Common Shares Narrative (Details) - Tanger Factory Outlet Centers, Inc. [Member] - USD ($)	1 Months Ended			12 Months Ended			36 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares paid for tax withholding for share based compensation (in shares)				239,824	139,293	56,597
Payments for the employees' tax obligations to taxing authorities				$ 3,924,000	$ 2,147,000	$ 736,000
Restricted shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total value of restricted common shares vested				$ 10,600,000	$ 9,400,000	$ 4,200,000
Shares paid for tax withholding for share based compensation (in shares)				240,000	139,000	57,000
Payments for the employees' tax obligations to taxing authorities				$ 3,700,000	$ 2,100,000	$ 700,000
Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted				556,794,000	688,824,000	902,167,000
Vested				96,592,000	76,478,000	0
Restricted Common Share Award Plan \| Restricted shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted				513,000	485,000	788,000
Restricted Common Share Award Plan \| Chief executive officer \| Restricted shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted					389,000
Restricted Common Share Award Plan \| Independent director \| Restricted shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				3 years
Restricted Common Share Award Plan \| Senior Executive officer \| Restricted shares \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				3 years
Restricted Common Share Award Plan \| Senior Executive officer \| Restricted shares \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				5 years
Absolute portion [Member] \| 2018 Performance Share Plan \| Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted			76,000
Absolute portion [Member] \| 2019 Performance Share Plan \| Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted		97,000
tranche one [Member] \| Absolute portion [Member] \| 2018 Performance Share Plan \| Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested					49,000
tranche one [Member] \| Absolute portion [Member] \| 2019 Performance Share Plan \| Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested							59,000
tranche two [Member] \| Absolute portion [Member] \| 2018 Performance Share Plan \| Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested		27,000
tranche two [Member] \| Absolute portion [Member] \| 2019 Performance Share Plan \| Forecast \| Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested	38,000