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

Annual report pursuant to Section 13 and 15(d)

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

Investments in Unconsolidated Real Estate Joint Ventures - Narrative (Details) ft² in Thousands		1 Months Ended						5 Months Ended
	Nov. 30, 2018 USD ($)	Jun. 30, 2023 USD ($)	Feb. 28, 2021 USD ($)	Jan. 31, 2021 USD ($)	Nov. 30, 2020 USD ($)	Dec. 31, 2018 USD ($)	Jun. 30, 2018 USD ($)	May 31, 2018 USD ($)	Dec. 31, 2024 USD ($) ft²	Dec. 31, 2023 USD ($) ft²	May 31, 2023 USD ($)	Jun. 30, 2017 ft²	Dec. 31, 2016 ft²	Jun. 30, 2016 ft²	Jul. 31, 2014 ft²	Nov. 30, 2013 ft²	Oct. 31, 2012 ft²
Schedule of Equity Method Investments [Line Items]
Difference in basis									$ 2,400,000	$ 2,800,000
Charlotte [Member]
Schedule of Equity Method Investments [Line Items]
Square Feet \| ft²									399	399					398
Ownership %									50.00%	50.00%
Columbus [Member]
Schedule of Equity Method Investments [Line Items]
Square Feet \| ft²									355	355				355
Ownership %									50.00%	50.00%
Galveston/Houston [Member]
Schedule of Equity Method Investments [Line Items]
Square Feet \| ft²																	353
National Harbor [Member]
Schedule of Equity Method Investments [Line Items]
Square Feet \| ft²									341	341						341
Ownership %									50.00%	50.00%
RioCan Canada [Member]
Schedule of Equity Method Investments [Line Items]
Square Feet \| ft²									665	655
Ownership %									50.00%	50.00%
Ottawa [Member]
Schedule of Equity Method Investments [Line Items]
Square Feet \| ft²												357
Estimated square feet of expansion \| ft²													39
Ottawa [Member] \| Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] \| Land outparcel [Member]
Schedule of Equity Method Investments [Line Items]
Net proceeds from sale of real estate assets					$ 5,500,000
Gain on sale of assets					2,000,000
Our Share of Proceeds from Sale of Other Real Estate					2,800,000
Our share of Gain (Loss) on Disposal					$ 1,000,000
Cookstown [Member]
Schedule of Equity Method Investments [Line Items]
Square Feet \| ft²									308
Unconsolidated Properties [Member] \| Galveston/Houston [Member]
Schedule of Equity Method Investments [Line Items]
Partner capital contribution to joint venture			$ 7,000,000.0
Unconsolidated Properties [Member] \| Mortgages [Member] \| Charlotte [Member]
Schedule of Equity Method Investments [Line Items]
Outstanding balance							$ 100,000,000.0	$ 90,000,000.0
Stated Interest Rate(s)							4.30%
Basis spread on variable rate (percent)								1.45%
Proceeds from joint venture debt							$ 9,300,000
Unconsolidated Properties [Member] \| Mortgages [Member] \| Columbus [Member]
Schedule of Equity Method Investments [Line Items]
Principal									$ 71,000,000.0
Stated Interest Rate(s)									6.25%
Unconsolidated Properties [Member] \| Mortgages [Member] \| Galveston/Houston [Member]
Schedule of Equity Method Investments [Line Items]
Outstanding balance		$ 58,000,000									$ 64,500,000
Basis spread on variable rate (percent)		3.00%	1.85%	1.65%
Notional amount of agreement		$ 29,000,000
Derivative fixed rate (percent)		4.44%
Borrowing capacity			$ 64,500,000	$ 80,000,000.0
Unconsolidated Properties [Member] \| Mortgages [Member] \| National Harbor [Member]
Schedule of Equity Method Investments [Line Items]
Outstanding balance	$ 87,000,000					$ 95,000,000
Stated Interest Rate(s)						4.60%
Basis spread on variable rate (percent)	1.65%
Proceeds from joint venture debt						$ 7,400,000