Debt of the Operating Partnership - Narrative (Details)		1 Months Ended			12 Months Ended
	Mar. 31, 2024 USD ($)	Dec. 31, 2025 USD ($)	Apr. 30, 2025 USD ($) extension	Apr. 30, 2024 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Sep. 30, 2025 USD ($)	May 31, 2025	Dec. 31, 2012
Mortgages [Member] | Columbus [Member] | Unconsolidated Properties [Member]
Debt Instrument [Line Items]
Stated interest rate (percent)		6.25%			6.25%
Principal		$ 71,000,000.0			$ 71,000,000.0
Tanger Properties Limited Partnership [Member]
Debt Instrument [Line Items]
Principal balance of debt		1,601,405,000			1,601,405,000	$ 1,433,906,000
Repayments of Other Long-term Debt					1,501,000	5,130,000	$ 4,773,000
Book value of debt		1,596,821,000			1,596,821,000	1,423,759,000
Proceeds from revolving credit facility					329,000,000	262,000,000	83,000,000
Repayments of Long-term Lines of Credit					285,000,000	275,000,000	70,000,000
Amounts outstanding		44,000,000			44,000,000	0
Tanger Properties Limited Partnership [Member] | Mortgages [Member]
Debt Instrument [Line Items]
Collateral for mortgages payable		197,500,000			197,500,000
Tanger Properties Limited Partnership [Member] | Mortgages [Member] | Southaven [Member]
Debt Instrument [Line Items]
Principal balance of debt		$ 61,700,000	$ 51,700,000		$ 61,700,000	51,700,000		$ 61,700,000
Basis spread on variable rate (percent)		2.00%	2.00%		2.00%
Stated interest rate (percent)									3.50%
Book value of debt		$ 61,157,000			$ 61,157,000	51,525,000
Guarantor Obligations, Maximum Exposure, Percentage		10.00%			10.00%
Long-Term Debt, Number of Extension Options | extension			0
Tanger Properties Limited Partnership [Member] | Mortgages [Member] | Atlantic City Outlets The Walk [Member]
Debt Instrument [Line Items]
Principal balance of debt		$ 5,705,000			$ 5,705,000	7,206,000
Effective interest rate										5.05%
Book value of debt		$ 5,760,000			$ 5,760,000	7,341,000
Tanger Properties Limited Partnership [Member] | Mortgages [Member] | Atlantic City Outlets The Walk [Member] | Minimum
Debt Instrument [Line Items]
Stated interest rate (percent)		6.44%			6.44%
Tanger Properties Limited Partnership [Member] | Line of Credit [Member]
Debt Instrument [Line Items]
Liquidity Line, Maximum Borrowings		$ 20,000,000.0			$ 20,000,000.0
Syndicated Line, Maximum Borrowings		600,000,000.0			$ 600,000,000.0
Line of Credit Facility, Syndicated Line, Potential Maximum Borrowings if Accordion Feature is Utilized				$ 1,200,000,000
Percentage of funds from operations allowed on a cumulative basis required for debt covenants					95.00%
Principal balance of debt		44,000,000			$ 44,000,000	0
Basis spread on variable rate (percent)	1.00%			0.85%
Book value of debt		44,000,000			44,000,000	0
Tanger Properties Limited Partnership [Member] | Unsecured Term Loan [Member]
Debt Instrument [Line Items]
Principal balance of debt		325,000,000			$ 325,000,000	325,000,000
Basis spread on variable rate (percent)					0.94%
Book value of debt		323,978,000			$ 323,978,000	323,182,000
Tanger Properties Limited Partnership [Member] | Senior Notes [Member] | 2.750% Senior Notes
Debt Instrument [Line Items]
Principal balance of debt		$ 400,000,000			$ 400,000,000	400,000,000
Stated interest rate (percent)		2.75%			2.75%
Book value of debt		$ 394,608,000			$ 394,608,000	393,710,000
Tanger Properties Limited Partnership [Member] | Debt [Member] | Line of Credit [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 520,000,000.0	620,000,000.0		$ 620,000,000.0	620,000,000.0
Amounts outstanding		44,000,000.0			44,000,000.0
Tanger Factory Outlet Centers, Inc. [Member]
Debt Instrument [Line Items]
Repayments of Other Long-term Debt					1,501,000	5,130,000	4,773,000
Book value of debt		1,596,821,000			1,596,821,000	1,423,759,000
Proceeds from revolving credit facility					329,000,000	262,000,000	83,000,000
Repayments of Long-term Lines of Credit					285,000,000	275,000,000	$ 70,000,000
Amounts outstanding		$ 44,000,000			$ 44,000,000	$ 0