Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation - Outperformance Plan (Details)

v3.8.0.1
Equity-Based Compensation - Outperformance Plan (Details) - Tanger Factory Outlet Centers, Inc. [Member] - Performance Shares [Member] - $ / shares
1 Months Ended 12 Months Ended
Jan. 31, 2017
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Granted (in dollars per share)   $ 16.60 $ 15.10 $ 15.85    
Granted   296,400 321,900 306,600    
Vested   184,455        
2017 OPP [Member]            
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Aggregate Number Of Shares That May Be Earned   296,400        
Granted (in dollars per share)   $ 16.60        
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] | 2017 OPP [Member]            
Percent of total award   50.00%        
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%  
Granted 184,455          
Absolute portion of award [Member] | 2013 OPP [Member]            
Percent of total award           70.00%
Relative portion of award [Member] | 2017 OPP [Member]            
Percent of total award   50.00%        
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] | 2017 OPP [Member]            
Absolute share price appreciation range   18.00%        
Percentage of units to be earned   20.00%        
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] | 2017 OPP [Member]            
Percentage of units to be earned   20.00%        
Threshold Percentage for Performance Target   40.00%        
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] | 2017 OPP [Member]            
Absolute share price appreciation range   35.00%        
Percentage of units to be earned   100.00%        
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] | 2017 OPP [Member]            
Percentage of units to be earned   100.00%        
Threshold Percentage for Performance Target   70.00%        
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%
Year one [Member] | Absolute portion of award [Member] | 2014 OPP [Member]            
Vested 94,663          
Year two [Member] | Absolute portion of award [Member] | 2014 OPP [Member]            
Vested 89,792