Supplemental Cash Flow Information - Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2025	Sep. 30, 2024
Cash and Cash Equivalents [Line Items]
Mortgages assumed	$ 115,000
Debt premiums included in non-cash financing activities	3,800	$ (550)	$ (548)
Cash, Cash Equivalents and Restricted Cash [Roll Forward]
Cash and cash equivalents		46,992	12,778
Restricted cash		0	0
Cash, cash equivalents, and restricted cash		46,992	12,778
Cash and cash equivalents	13,029	13,029	11,053
Restricted cash	37,199	37,199	0
Cash, cash equivalents, and restricted cash	50,228	50,228	11,053
Tanger Properties Limited Partnership
Cash and Cash Equivalents [Line Items]
Debt premiums included in non-cash financing activities		(550)	(548)
Cash, Cash Equivalents and Restricted Cash [Roll Forward]
Cash and cash equivalents		46,700	12,572
Restricted cash		0	0
Cash, cash equivalents, and restricted cash		46,700	12,572
Cash and cash equivalents	12,761	12,761	10,830
Restricted cash	37,199	37,199	0
Cash, cash equivalents, and restricted cash	$ 49,960	$ 49,960	$ 10,830