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

Investments in Unconsolidated Real Estate Joint Ventures - Unconsolidated Real Estate Joint Ventures (Details)

Investments in Unconsolidated Real Estate Joint Ventures - Unconsolidated Real Estate Joint Ventures (Details) ft² in Thousands, $ in Thousands	Dec. 31, 2022 USD ($) ft²	Dec. 31, 2021 USD ($) ft²	Jun. 30, 2016 ft²	Jul. 31, 2014 ft²	Nov. 30, 2013 ft²	Oct. 31, 2012 ft²
Schedule of Equity Method Investments [Line Items]
Square Feet \| ft²	694
RioCan Canada [Member]
Schedule of Equity Method Investments [Line Items]
Ownership %	50.00%	50.00%
Square Feet \| ft²	665	665
Investments included in investments in unconsolidated joint ventures	$ 73,800	$ 82,400
Charlotte [Member]
Schedule of Equity Method Investments [Line Items]
Ownership %	50.00%	50.00%
Square Feet \| ft²	399	399		398
Investments included in other liabilities	$ (18,800)	$ (16,200)
National Harbor [Member]
Schedule of Equity Method Investments [Line Items]
Ownership %	50.00%	50.00%
Square Feet \| ft²	341	341			341
Investments included in other liabilities	$ (12,800)	$ (11,200)
Galveston/Houston [Member]
Schedule of Equity Method Investments [Line Items]
Ownership %	50.00%	50.00%
Square Feet \| ft²	353	353				353
Investments included in other liabilities	$ (15,500)	$ (14,000)
Columbus [Member]
Schedule of Equity Method Investments [Line Items]
Ownership %	50.00%	50.00%
Square Feet \| ft²	355	355	355
Investments included in investments in unconsolidated joint ventures		$ 200
Investments included in other liabilities	$ (2,400)
Charlotte, National Harbor and Galveston/Houston
Schedule of Equity Method Investments [Line Items]
Investments included in other liabilities	(49,500)	(41,400)
Columbus and Rio Can
Schedule of Equity Method Investments [Line Items]
Investments included in investments in unconsolidated joint ventures	73,800	82,600
Unconsolidated Properties [Member]
Schedule of Equity Method Investments [Line Items]
Total Joint Venture Debt, Net	329,009	329,460
Unconsolidated Properties [Member] \| RioCan Canada [Member]
Schedule of Equity Method Investments [Line Items]
Total Joint Venture Debt, Net	0	0
Unconsolidated Properties [Member] \| Charlotte [Member]
Schedule of Equity Method Investments [Line Items]
Total Joint Venture Debt, Net	99,700	99,600
Unconsolidated Properties [Member] \| National Harbor [Member]
Schedule of Equity Method Investments [Line Items]
Total Joint Venture Debt, Net	94,600	94,500
Unconsolidated Properties [Member] \| Galveston/Houston [Member]
Schedule of Equity Method Investments [Line Items]
Total Joint Venture Debt, Net	64,500	64,400
Unconsolidated Properties [Member] \| Columbus [Member]
Schedule of Equity Method Investments [Line Items]
Total Joint Venture Debt, Net	70,300	70,900
Mortgages [Member] \| Unconsolidated Properties [Member]
Schedule of Equity Method Investments [Line Items]
Debt origination costs and premiums	$ 1,500	$ 1,000