v3.25.1
Fair Value Measurements (Debt) (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Recorded value of debt $ 1,563,090 $ 1,423,759
Tanger Properties Limited Partnership    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total fair value of debt 1,502,285 1,348,831
Recorded value of debt 1,563,090 1,423,759
Tanger Properties Limited Partnership | Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total fair value of debt 0 0
Tanger Properties Limited Partnership | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total fair value of debt 979,839 961,783
Tanger Properties Limited Partnership | Level 3    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total fair value of debt $ 522,446 $ 387,048