Tanger Inc. Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation - Outperformance Plan (Details)

Equity-Based Compensation - Outperformance Plan (Details) - Performance Shares [Member] - Tanger Factory Outlet Centers, Inc [Member] - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Granted (in dollars per share)	$ 15.10	$ 15.85	$ 14.71
2016 OPP [Member]
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Aggregate Number Of Shares That May Be Earned	321,900
Granted (in dollars per share)	$ 15.10
2015 OPP [Member]
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Aggregate Number Of Shares That May Be Earned		306,600
Granted (in dollars per share)		$ 15.85
2014 OPP [Member]
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Aggregate Number Of Shares That May Be Earned			329,700
Granted (in dollars per share)			$ 14.71
2013 OPP [Member]
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Aggregate Number Of Shares That May Be Earned				315,150
Granted (in dollars per share)				$ 13.99
Absolute portion of award [Member] \| 2016 OPP [Member]
Percent of total award	50.00%
Absolute portion of award [Member] \| 2015 OPP [Member]
Percent of total award		60.00%
Absolute portion of award [Member] \| 2014 OPP [Member]
Percent of total award			70.00%
Absolute portion of award [Member] \| 2013 OPP [Member]
Percent of total award				70.00%
Relative portion of award [Member] \| 2016 OPP [Member]
Percent of total award	50.00%
Relative portion of award [Member] \| 2015 OPP [Member]
Percent of total award		40.00%
Relative portion of award [Member] \| 2014 OPP [Member]
Percent of total award			30.00%
Relative portion of award [Member] \| 2013 OPP [Member]
Percent of total award				30.00%
Minimum [Member] \| Absolute portion of award [Member] \| 2016 OPP [Member]
Absolute share price appreciation range	18.00%
Percentage of units to be earned	20.00%
Minimum [Member] \| Absolute portion of award [Member] \| 2015 OPP [Member]
Absolute share price appreciation range		25.00%
Percentage of units to be earned		33.00%
Minimum [Member] \| Absolute portion of award [Member] \| 2014 OPP [Member]
Absolute share price appreciation range			25.00%
Percentage of units to be earned			33.00%
Minimum [Member] \| Absolute portion of award [Member] \| 2013 OPP [Member]
Absolute share price appreciation range				25.00%
Percentage of units to be earned				33.00%
Minimum [Member] \| Relative portion of award [Member] \| 2016 OPP [Member]
Percentage of units to be earned	20.00%
Threshold Percentage for Performance Target	40.00%
Minimum [Member] \| Relative portion of award [Member] \| 2015 OPP [Member]
Percentage of units to be earned		33.00%
Threshold Percentage for Performance Target		50.00%
Minimum [Member] \| Relative portion of award [Member] \| 2014 OPP [Member]
Percentage of units to be earned			33.00%
Threshold Percentage for Performance Target			50.00%
Minimum [Member] \| Relative portion of award [Member] \| 2013 OPP [Member]
Percentage of units to be earned				33.00%
Threshold Percentage for Performance Target				50.00%
Maximum [Member] \| Absolute portion of award [Member] \| 2016 OPP [Member]
Absolute share price appreciation range	35.00%
Percentage of units to be earned	100.00%
Maximum [Member] \| Absolute portion of award [Member] \| 2015 OPP [Member]
Absolute share price appreciation range		35.00%
Percentage of units to be earned		100.00%
Maximum [Member] \| Absolute portion of award [Member] \| 2014 OPP [Member]
Absolute share price appreciation range			35.00%
Percentage of units to be earned			100.00%
Maximum [Member] \| Absolute portion of award [Member] \| 2013 OPP [Member]
Absolute share price appreciation range				35.00%
Percentage of units to be earned				100.00%
Maximum [Member] \| Relative portion of award [Member] \| 2016 OPP [Member]
Percentage of units to be earned	100.00%
Threshold Percentage for Performance Target	70.00%
Maximum [Member] \| Relative portion of award [Member] \| 2015 OPP [Member]
Percentage of units to be earned		100.00%
Threshold Percentage for Performance Target		70.00%
Maximum [Member] \| Relative portion of award [Member] \| 2014 OPP [Member]
Percentage of units to be earned			100.00%
Threshold Percentage for Performance Target			70.00%
Maximum [Member] \| Relative portion of award [Member] \| 2013 OPP [Member]
Percentage of units to be earned				100.00%
Threshold Percentage for Performance Target				70.00%