Segment Reporting (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($) segment	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Segment Reporting Information [Line Items]
Number of reportable operating segments | segment	1
Rental revenues	$ 550,896	$ 497,516	$ 438,889
Tanger Factory Outlet Centers, Inc. [Member]
Segment Reporting Information [Line Items]
Rental revenues	550,896	497,516	438,889
Other revenues	20,894	18,902	16,858
Total revenues	581,562	526,063	464,407
Total expenses	410,449	375,439	330,566
Equity in earnings of unconsolidated joint ventures	13,580	11,289	8,240
Interest expense	(65,860)	(60,637)	(47,928)
General and administrative	(78,722)	(78,020)	(76,130)
Net income	119,501	102,760	103,882
Reporting Segment
Segment Reporting Information [Line Items]
Rental revenues	550,896	497,516	438,889
Other revenues	20,894	18,902	16,858
Total revenues	571,790	516,418	455,747
Advertising and promotion	17,799	19,274	18,606
Common area maintenance	75,353	69,029	60,128
Real estate taxes	42,920	34,687	31,862
Other operating expense	36,984	27,934	24,888
Total expenses	173,056	150,924	135,484
Portfolio Net Operating Income - Consolidated	398,734	365,494	320,263
Equity in earnings of unconsolidated joint ventures	13,580	11,289	8,240
Interest expense	(65,860)	(60,637)	(47,928)
Impairment charge	(4,249)	0	0
Other income	668	1,484	9,729
Depreciation and amortization	(150,976)	(138,690)	(108,889)
Other non-property (income) expenses	1,648	1,174	1,119
General and administrative	(78,923)	(78,341)	(76,299)
Non-cash adjustments	3,776	91	(2,895)
Lease termination fees	1,103	896	542
Net income	$ 119,501	$ 102,760	$ 103,882