| Line Item | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Sep 30, 2025 | Jun 30, 2025 | Mar 31, 2025 | Dec 31, 2024 | Sep 30, 2024 | Jun 30, 2024 | Mar 31, 2024 | Dec 31, 2023 | Sep 30, 2023 | Jun 30, 2023 | Mar 31, 2023 | Dec 31, 2022 | Sep 30, 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenues: | ||||||||||||||||
| Rental revenue | ||||||||||||||||
| Management, leasing and other services | ||||||||||||||||
| Other revenue | — | |||||||||||||||
| Total revenues | — | |||||||||||||||
| YoY growth | +11.2% | +11.1% | — | +9.2% | ||||||||||||
| Expenses: | ||||||||||||||||
| Property operating | — | |||||||||||||||
| General and administrative | — | |||||||||||||||
| Impairment charge | — | |||||||||||||||
| Depreciation and amortization | — | |||||||||||||||
| Total expenses | — | |||||||||||||||
| % of revenue | 69.0% | 71.3% | — | 68.5% | ||||||||||||
| Other income (expense): | ||||||||||||||||
| Interest expense | — | |||||||||||||||
| Other income (expense) | — | |||||||||||||||
| Total other income (expense) | — | |||||||||||||||
| Income before equity in earnings of unconsolidated joint ventures | — | |||||||||||||||
| Equity in earnings of unconsolidated joint ventures | — | |||||||||||||||
| Net income | — | |||||||||||||||
| % of revenue | 22.1% | 19.6% | — | 23.0% | ||||||||||||
| Noncontrolling interests in Operating Partnership | ||||||||||||||||
| Noncontrolling interests in other consolidated partnerships | ||||||||||||||||
| Net income attributable to Tanger Inc. | — | |||||||||||||||
| % of revenue | 21.3% | 18.8% | — | 22.1% | ||||||||||||
| Net income (in dollars per unit) | — | |||||||||||||||
| Net income (in dollars per unit) | — |