Supplemental Cash Flow Information - Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025
Cash and Cash Equivalents [Line Items]
Debt premiums included in non-cash financing activities	$ 477	$ (413)
Cash, Cash Equivalents and Restricted Cash [Roll Forward]
Cash and cash equivalents	18,133	46,992
Restricted cash	35,395	0
Cash, cash equivalents, and restricted cash	53,528	46,992
Cash and cash equivalents	176,878	9,741
Restricted cash	31,008	0
Cash, cash equivalents, and restricted cash	207,886	9,741
Tanger Properties Limited Partnership
Cash and Cash Equivalents [Line Items]
Debt premiums included in non-cash financing activities	477	(413)
Cash, Cash Equivalents and Restricted Cash [Roll Forward]
Cash and cash equivalents	17,893	46,700
Restricted cash	35,395	0
Cash, cash equivalents, and restricted cash	53,288	46,700
Cash and cash equivalents	176,396	9,307
Restricted cash	31,008	0
Cash, cash equivalents, and restricted cash	$ 207,404	$ 9,307

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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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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Amount of cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; including, but not limited to, discontinued operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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