Earnings Per Unit of the Operating Partnership (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Numerator:
Net income attributable to partners of the Operating Partnership	$ 22,413	$ 23,541
Less allocation of earnings to participating securities	(231)	(199)
Net income (loss) available to common shareholders/unitholders	$ 22,182	$ 23,342
Denominator:
Basic weighted average common shares (in shares)	108,369,000	104,088,000
Effect of notional units (in shares)	731,000	693,000
Effect of outstanding options (in shares)	923,000	741,000
Diluted weighted average common shares (in shares)	110,023,000	105,522,000
Basic earnings per common share/unit:
Net income (loss) (in dollars per share)	$ 0.20	$ 0.22
Diluted earnings per common unit:
Net income (loss) (in dollars per share)	$ 0.20	$ 0.22
Tanger Properties Limited Partnership
Numerator:
Net income attributable to partners of the Operating Partnership	$ 23,386	$ 24,612
Less allocation of earnings to participating securities	(231)	(199)
Net income (loss) available to common shareholders/unitholders	$ 23,155	$ 24,413
Denominator:
Basic weighted average common shares (in shares)	113,077,000	108,826,000
Effect of notional units (in shares)	731,000	693,000
Effect of outstanding options (in shares)	923,000	741,000
Diluted weighted average common shares (in shares)	114,731,000	110,260,000
Basic earnings per common share/unit:
Net income (loss) (in dollars per share)	$ 0.20	$ 0.22
Diluted earnings per common unit:
Net income (loss) (in dollars per share)	$ 0.20	$ 0.22
Notional Units
Diluted earnings per common unit:
Anti-dilutive options excluded (in shares)	122,375	0
Notional Units | Tanger Properties Limited Partnership
Diluted earnings per common unit:
Anti-dilutive options excluded (in shares)	122,375	0
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	503,300