Debt Guaranteed by the Company (Details) - Debt - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Unsecured lines of credit \| Unsecured lines of credit
Line of Credit Facility [Line Items]
Available borrowing capacity	$ 481,000
Unsecured term loan and line of credit	139,000	$ 0
Unsecured term loan \| Unsecured term loan
Line of Credit Facility [Line Items]
Unsecured term loan and line of credit	325,000	$ 325,000
Tanger Properties Limited Partnership \| Unsecured lines of credit \| Unsecured lines of credit
Line of Credit Facility [Line Items]
Line of credit borrowing capacity	$ 620,000

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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