Debt of the Operating Partnership (Debt Maturities) (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Schedule of Maturities of Debt [Line Items]
Total debt	$ 1,865,674	$ 1,596,821
Tanger Properties Limited Partnership
Schedule of Maturities of Debt [Line Items]
For the remainder of 2026	355,315
2027	415,000
2028 (1)	0
2029 (1)	0
2030	311,700
Thereafter	800,000
Subtotal	1,882,015	1,601,405
Net discount and debt origination costs	(16,341)
Total debt	$ 1,865,674	$ 1,596,821