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

Annual report pursuant to Section 13 and 15(d)

Disposition of Property (Details)

Disposition of Property (Details)	1 Months Ended				12 Months Ended
Disposition of Property (Details)	Jan. 31, 2021 USD ($) ft²	Aug. 31, 2020 USD ($) ft²	Jul. 31, 2019 USD ($) ft²	Mar. 31, 2019 USD ($) ft²	Dec. 31, 2019 USD ($) ft²
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Square Feet \| ft²					878,000
Net proceeds from sale of assets					$ 128,505,000
Gain on sale of assets					$ 43,422,000
Jeffersonville [Member] \| Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Square Feet \| ft²	412,000
Net proceeds from sale of assets	$ 8,100,000
Gain on sale of assets	$ 0
Terrell [Member] \| Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Square Feet \| ft²		178,000
Net proceeds from sale of assets		$ 7,626,000
Gain on sale of assets		$ 2,324,000
Nags Head, Ocean City, Park City & Williamsburg [Member] \| Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Square Feet \| ft²				878,000
Net proceeds from sale of assets				$ 128,248,000
Gain on sale of assets				$ 43,422,000
Land outparcel [Member] \| Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Square Feet \| ft²			0
Net proceeds from sale of assets			$ 257,000
Gain on sale of assets			$ 0