Fair Value Measurements Debt (Details) - Tanger Properties Limited Partnership [Member] - USD ($) $ in Thousands |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Fair value of debt | $ 1,348,831 | $ 1,319,700 |
| Recorded value of debt | 1,423,759 | 1,439,203 |
| Level 1 [Member] | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Fair value of debt | 0 | 0 |
| Level 2 [Member] | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Fair value of debt | 961,783 | 918,091 |
| Level 3 [Member] | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Fair value of debt | $ 387,048 | $ 401,609 |
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- Definition 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. No definition available.
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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