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

Disposition of Properties (Details)

Disposition of Properties (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 ($) ft²	Oct. 31, 2015 USD ($) ft²	Sep. 30, 2015 USD ($) ft²	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of assets and interests in unconsolidated entities						$ 6,305	$ 106,721
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 and interests in unconsolidated entities	$ 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 and interests in unconsolidated entities			$ 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 and interests in unconsolidated entities		$ 1,418
Barstow [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Square Feet \| ft²				171
Net Sales Price				$ 105,793
Gain on sale of assets and interests in unconsolidated entities				$ 86,506
Kittery I & II, Tuscola, & West Branch [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Square Feet \| ft²					439
Net Sales Price					$ 43,304
Gain on sale of assets and interests in unconsolidated entities					$ 20,215
Kittery I & II, Tuscola, West Branch & Barstow [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net Sales Price							149,100
Restricted cash							$ 121,300