Earnings Per Unit of the Operating Partnership (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Numerator:
Net income attributable to partners of the Operating Partnership	$ 32,027	$ 24,856	$ 81,314	$ 72,109
Less allocation of earnings to participating securities	(224)	(232)	(651)	(692)
Net income (loss) available to common shareholders/unitholders	$ 31,803	$ 24,624	$ 80,663	$ 71,417
Denominator:
Basic weighted average common shares (in shares)	113,005,000	108,972,000	112,689,000	108,675,000
Effect of dilutive equity awards (in shares)	1,564,000	1,732,000	1,539,000	1,671,000
Diluted weighted average common shares (in shares)	114,569,000	110,704,000	114,228,000	110,346,000
Basic earnings per common share/unit:
Net income (loss) (in dollars per share)	$ 0.28	$ 0.23	$ 0.72	$ 0.66
Diluted earnings per common unit:
Net income (loss) (in dollars per share)	$ 0.28	$ 0.22	$ 0.71	$ 0.65
Tanger Properties Limited Partnership
Numerator:
Net income attributable to partners of the Operating Partnership	$ 33,348	$ 25,930	$ 84,677	$ 75,231
Less allocation of earnings to participating securities	(224)	(232)	(651)	(692)
Net income (loss) available to common shareholders/unitholders	$ 33,124	$ 25,698	$ 84,026	$ 74,539
Denominator:
Basic weighted average common shares (in shares)	117,668,000	113,680,000	117,356,000	113,383,000
Effect of dilutive equity awards (in shares)	1,564,000	1,732,000	1,539,000	1,671,000
Diluted weighted average common shares (in shares)	119,232,000	115,412,000	118,895,000	115,054,000
Basic earnings per common share/unit:
Net income (loss) (in dollars per share)	$ 0.28	$ 0.23	$ 0.72	$ 0.66
Diluted earnings per common unit:
Net income (loss) (in dollars per share)	$ 0.28	$ 0.22	$ 0.71	$ 0.65
Notional Units
Diluted earnings per common unit:
Anti-dilutive options excluded (in shares)	99,000	120,000	99,000	120,000
Notional Units | Tanger Properties Limited Partnership
Diluted earnings per common unit:
Anti-dilutive options excluded (in shares)	99,000	120,000	99,000
Options
Diluted earnings per common unit:
Anti-dilutive options excluded (in shares)	0		0
Options | Tanger Properties Limited Partnership
Diluted earnings per common unit:
Anti-dilutive options excluded (in shares)			0