Accumulated Other Comprehensive Income of the Operating Partnership (Details) - Tanger Properties Limited Partnership [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ (23,693)	$ (3,605)	$ (14,791)	$ (2,721)
Amortization of cash flow hedges		(99)		(293)
Unrealized gains on foreign currency translation adjustments	(10,932)	(5,194)	(18,945)	(4,546)
Change in fair value of cash flow hedges	(1,156)	952	(2,045)	(386)
Ending balance	(35,781)	(7,946)	(35,781)	(7,946)
Foreign Currency [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(22,899)	(4,196)	(14,886)	(4,844)
Unrealized gains on foreign currency translation adjustments	(10,932)	(5,194)	(18,945)	(4,546)
Ending balance	(33,831)	(9,390)	(33,831)	(9,390)
Cash flow hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(794)	591	95	2,123
Amortization of cash flow hedges		(99)		(293)
Change in fair value of cash flow hedges	(1,156)	952	(2,045)	(386)
Ending balance	$ (1,950)	$ 1,444	$ (1,950)	$ 1,444