Supplemental Cash Flow Information - Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash and Cash Equivalents [Line Items]
Debt premiums included in non-cash financing activities	$ 226	$ (205)
Cash, Cash Equivalents and Restricted Cash [Roll Forward]
Cash and cash equivalents	18,133	46,992
Restricted cash	35,395	0
Cash, cash equivalents, and restricted cash	53,528	46,992
Cash and cash equivalents	207,403	10,156
Restricted cash	35,811	0
Cash, cash equivalents, and restricted cash	243,214	10,156
Tanger Properties Limited Partnership
Cash and Cash Equivalents [Line Items]
Debt premiums included in non-cash financing activities	226	(205)
Cash, Cash Equivalents and Restricted Cash [Roll Forward]
Cash and cash equivalents	17,893	46,700
Restricted cash	35,395	0
Cash, cash equivalents, and restricted cash	53,288	46,700
Cash and cash equivalents	206,890	10,005
Restricted cash	35,811	0
Cash, cash equivalents, and restricted cash	$ 242,701	$ 10,005