Earnings Per Share of the Company (Details) - Tanger Factory Outlet Centers, Inc [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Numerator
Net income attributable to Tanger Factory Outlet Centers, Inc.	$ 27,150	$ 34,512
Less allocation of earnings to participating securities	(294)	(408)
Net income available to common shareholders/unitholders of Tanger Factory Outlet Centers, Inc./the Operating Partnership	$ 26,856	$ 34,104
Denominator
Basic weighted average common shares (in shares)	94,944,000	94,536,000
Effect of notional units (in shares)	0	82,000
Effect of outstanding options and restricted common shares (in shares)	59,000	79,000
Diluted weighted average common shares (in shares)	95,003,000	94,697,000
Basic earnings per common share/unit:
Net income, basic (in dollars per share)	$ 0.28	$ 0.36
Diluted earnings per common share:
Net income, diluted (in dollars per share)	$ 0.28	$ 0.36
Antidilutive securities excluded from computation of earnings per share (in shares)	218,200	252,000