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

Annual report pursuant to Section 13 and 15(d)

Debt of the Operating Partnership - Narrative (Details)

Debt of the Operating Partnership - Narrative (Details) - USD ($)		1 Months Ended	12 Months Ended
	Sep. 30, 2022	Oct. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Apr. 30, 2024	Dec. 31, 2011
Mortgages [Member] \| Columbus [Member] \| Unconsolidated Properties [Member]
Debt Instrument [Line Items]
Principal			$ 71,000,000.0
Stated Interest Rate(s)			6.25%
Tanger Properties Limited Partnership [Member]
Debt Instrument [Line Items]
Principal balance of debt			$ 1,433,906,000	$ 1,452,036,000
Repayments of Other Long-term Debt			5,130,000	4,773,000	$ 4,440,000
Book value of debt			1,423,759,000	1,439,203,000
Proceeds from revolving credit facility			262,000,000	83,000,000	0
Repayments of Long-term Lines of Credit			275,000,000	70,000,000	0
Tanger Properties Limited Partnership [Member] \| Mortgages [Member]
Debt Instrument [Line Items]
Collateral for mortgages payable			65,500,000
Tanger Properties Limited Partnership [Member] \| Mortgages [Member] \| Southaven [Member]
Debt Instrument [Line Items]
Principal balance of debt	$ 40,100,000	$ 51,700,000	$ 51,700,000	51,700,000
Term extension		1 year
Basis spread on variable rate (percent)			2.00%
Book value of debt			$ 51,525,000	51,428,000
Tanger Properties Limited Partnership [Member] \| Mortgages [Member] \| Southaven [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (percent)			2.00%
Tanger Properties Limited Partnership [Member] \| Mortgages [Member] \| Atlantic City Outlets The Walk [Member]
Debt Instrument [Line Items]
Principal balance of debt			$ 7,206,000	12,336,000
Effective interest rate							5.05%
Book value of debt			$ 7,341,000	12,613,000
Tanger Properties Limited Partnership [Member] \| Mortgages [Member] \| Atlantic City Outlets The Walk [Member] \| Minimum
Debt Instrument [Line Items]
Stated Interest Rate(s)			6.44%
Tanger Properties Limited Partnership [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Liquidity Line, Maximum Borrowings			$ 20,000,000.0
Syndicated Line, Maximum Borrowings			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			$ 0	13,000,000
Basis spread on variable rate (percent)			0.85%
Book value of debt			$ 0	13,000,000
Tanger Properties Limited Partnership [Member] \| Unsecured Term Loan [Member]
Debt Instrument [Line Items]
Principal balance of debt	$ 300,000,000	$ 325,000,000	$ 325,000,000	325,000,000
Basis spread on variable rate (percent)		1.20%	0.94%
Book value of debt			$ 323,182,000	322,322,000
Term of debt extension		1 year
Tanger Properties Limited Partnership [Member] \| Unsecured Term Loan [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.25%
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
Stated Interest Rate(s)			2.75%
Book value of debt			$ 393,710,000	392,827,000
Tanger Properties Limited Partnership [Member] \| Debt [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity			620,000,000.0			$ 520,000,000.0
Tanger Factory Outlet Centers, Inc. [Member]
Debt Instrument [Line Items]
Repayments of Other Long-term Debt			5,130,000	4,773,000	4,440,000
Book value of debt			1,423,759,000	1,439,203,000
Proceeds from revolving credit facility			262,000,000	83,000,000	0
Repayments of Long-term Lines of Credit			$ 275,000,000	$ 70,000,000	$ 0