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

Disposition of Property (Details) - Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] ft² in Thousands, $ in Thousands	1 Months Ended			12 Months Ended
	May 31, 2017 USD ($) ft²	Sep. 30, 2016 USD ($)	Jan. 31, 2016 USD ($) ft²	Dec. 31, 2016 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of assets				$ 6,305
Westbrook [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Square Feet \| ft²	290
Net Sales Price	$ 39,213
Gain on sale of assets	$ 6,943
Fort Myers [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Square Feet \| ft²			199
Net Sales Price			$ 25,785
Gain on sale of assets			$ 4,887
Myrtle Beach Hwy 501 [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net Sales Price		$ 2,921
Gain on sale of assets		$ 1,418