Debt of the Operating Partnership (Details) - Tanger Properties Limited Partnership [Member] - USD ($)		1 Months Ended				12 Months Ended
	Mar. 31, 2024	Dec. 31, 2025	Sep. 30, 2025	Apr. 30, 2025	Apr. 30, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	May 31, 2025	Dec. 31, 2012
Debt Instrument [Line Items]
Outstanding balance		$ 1,601,405,000				$ 1,601,405,000	$ 1,433,906,000
Total debt		1,596,821,000				1,596,821,000	1,423,759,000
Unamortized debt origination costs		$ 4,600,000				4,600,000	10,100,000
Amortization of Deferred Debt Origination Costs Included in Interest Expense						$ 3,735,000	3,496,000	$ 3,196,000
Senior Notes [Member] | 3.125% 2026 Senior Notes [Member]
Debt Instrument [Line Items]
Stated interest rate (percent)		3.125%				3.125%
Outstanding balance		$ 350,000,000				$ 350,000,000	350,000,000
Total debt		$ 349,631,000				$ 349,631,000	349,045,000
Debt Instrument, Interest Rate During Period						3.20%
Senior Notes [Member] | 3.875% 2027 Senior Notes [Member]
Debt Instrument [Line Items]
Stated interest rate (percent)		3.875%				3.875%
Outstanding balance		$ 300,000,000				$ 300,000,000	300,000,000
Total debt		$ 299,370,000				$ 299,370,000	298,956,000
Debt Instrument, Interest Rate During Period						3.90%
Senior Notes [Member] | 2.750% Senior Notes
Debt Instrument [Line Items]
Stated interest rate (percent)		2.75%				2.75%
Outstanding balance		$ 400,000,000				$ 400,000,000	400,000,000
Total debt		394,608,000				$ 394,608,000	393,710,000
Debt Instrument, Interest Rate During Period						2.90%
Mortgages [Member] | Atlantic City Outlets The Walk [Member]
Debt Instrument [Line Items]
Outstanding balance		5,705,000				$ 5,705,000	7,206,000
Total debt		$ 5,760,000				$ 5,760,000	7,341,000
Effective interest rate										5.05%
Mortgages [Member] | Southaven [Member]
Debt Instrument [Line Items]
Stated interest rate (percent)									3.50%
Basis spread on variable rate (percent)		2.00%		2.00%		2.00%
Outstanding balance		$ 61,700,000	$ 61,700,000	$ 51,700,000		$ 61,700,000	51,700,000
Total debt		$ 61,157,000				$ 61,157,000	51,525,000
Debt Instrument, Interest Rate During Period						5.50%
Mortgages [Member] | Kansas City Outlets
Debt Instrument [Line Items]
Stated interest rate (percent)		7.57%				7.57%
Outstanding balance		$ 0	$ 115,000,000.0			$ 0	115,000,000
Total debt		$ 0				$ 0	118,317,000
Effective interest rate		6.00%				6.00%
Debt Instrument, Interest Rate During Period			6.00%			6.00%
Mortgages [Member] | Atlantic City [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate During Period						5.10%
Unsecured Term Loan [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (percent)						0.94%
Outstanding balance		$ 325,000,000				$ 325,000,000	325,000,000
Total debt		323,978,000				$ 323,978,000	323,182,000
Unsecured Term Loan [Member] | Unsecured Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate During Period						4.90%
Line of Credit [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.00%				0.85%
Outstanding balance		44,000,000				$ 44,000,000	0
Total debt		44,000,000				44,000,000	0
Unamortized debt origination costs		$ 5,700,000				$ 5,700,000	$ 7,400,000
Line of Credit [Member] | Line of Credit [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate During Period						4.80%
Minimum | Kansas City Outlets
Debt Instrument [Line Items]
Stated interest rate (percent)			7.57%
Minimum | Mortgages [Member] | Atlantic City Outlets The Walk [Member]
Debt Instrument [Line Items]
Stated interest rate (percent)		6.44%				6.44%
Minimum | Mortgages [Member] | Kansas City Outlets
Debt Instrument [Line Items]
Stated interest rate (percent)		7.57%				7.57%