Shareholders' Equity of the Company (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended					3 Months Ended
	Apr. 30, 2026	Mar. 31, 2026	Feb. 28, 2026	Jan. 31, 2026	Apr. 30, 2025	Mar. 31, 2026	Dec. 31, 2025	Sep. 30, 2025	Mar. 31, 2025	May 31, 2023	Apr. 30, 2023
Distribution Made to Limited Partner [Line Items]
Common dividends (in dollars per share)					$ 0.2925	$ 0.2925			$ 0.275
Common distributions (in dollars per share)					$ 0.2925
Common shares, par value (in dollars per share)		$ 0.01				$ 0.01	$ 0.01
At-the-Market offering, stock remaining available for sale		$ 400.0				$ 400.0
Authorized repurchase amount										$ 200.0	$ 100.0
Shares repurchased during the period (in shares)		0	0	589,622		589,622			0
Remaining amount authorized to be repurchase		$ 180.0	$ 180.0	$ 180.0		$ 180.0
ATM Offering Program
Distribution Made to Limited Partner [Line Items]
Aggregate gross sales price of common shares			$ 400.0
Common shares sold (in shares)						0	0	0
Tanger Properties Limited Partnership
Distribution Made to Limited Partner [Line Items]
Common distributions (in dollars per share)									$ 0.275
Shares repurchased during the period (in shares)						589,622
Subsequent Event
Distribution Made to Limited Partner [Line Items]
Common dividends (in dollars per share)	$ 0.3125