Earnings Per Unit of the Operating Partnership (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Numerator:
Net income attributable to partners of the Operating Partnership	$ 28,261	$ 19,201
Less allocation of earnings to participating securities	(210)	(202)
Net income (loss) available to common shareholders/unitholders	$ 28,051	$ 18,999
Denominator:
Basic weighted average common shares (in shares)	114,238,000	112,396,000
Effect of dilutive equity awards (in shares)	1,216,000	1,557,000
Diluted weighted average common shares (in shares)	115,454,000	113,953,000
Basic earnings per common share/unit:
Net income (loss) (in dollars per share)	$ 0.25	$ 0.17
Diluted earnings per common unit:
Net income (loss) (in dollars per share)	$ 0.24	$ 0.17
Tanger Properties Limited Partnership
Numerator:
Net income attributable to partners of the Operating Partnership	$ 29,417	$ 19,999
Less allocation of earnings to participating securities	(210)	(202)
Net income (loss) available to common shareholders/unitholders	$ 29,207	$ 19,797
Denominator:
Basic weighted average common shares (in shares)	118,908,000	117,072,000
Effect of dilutive equity awards (in shares)	1,216,000	1,557,000
Diluted weighted average common shares (in shares)	120,124,000	118,629,000
Basic earnings per common share/unit:
Net income (loss) (in dollars per share)	$ 0.25	$ 0.17
Diluted earnings per common unit:
Net income (loss) (in dollars per share)	$ 0.24	$ 0.17
Notional Units
Diluted earnings per common unit:
Anti-dilutive options excluded (in shares)	472,000	99,000
Notional Units | Tanger Properties Limited Partnership
Diluted earnings per common unit:
Anti-dilutive options excluded (in shares)	472,000	99,000
Options
Diluted earnings per common unit:
Anti-dilutive options excluded (in shares)	0
Options | Tanger Properties Limited Partnership
Diluted earnings per common unit:
Anti-dilutive options excluded (in shares)	0