Quarterly report pursuant to Section 13 or 15(d)

Equity-Based Compensation of the Company (Narrative) (Details)

v3.10.0.1
Equity-Based Compensation of the Company (Narrative) (Details) - Tanger Factory Outlet Centers, Inc. [Member] - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Feb. 28, 2018
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares paid for tax withholding for share based compensation (in shares)   0 0 89,437 69,886
Payments Related to Tax Withholding for Share-based Compensation       $ 2,068 $ 2,435
Options [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares/Units, granted (in shares/units) 331,000        
Exercise price $ 21.94        
Options expiration period 10 years        
Vesting percentage 20.00%        
Vesting period 5 years        
Vesting period commencement 1 year        
Grant date fair value $ 3.62        
Expected Dividend Rate 6.24%        
Expected life 7 years 1 month 7 days        
Expected Volatility Rate 32.47%        
Risk Free Interest Rate 2.80%        
Forfeiture Rate Used, Minimum 3.00%        
Forfeiture Rate Used, Maximum 10.00%        
Restricted Common Share Award Plan [Member] | Restricted common shares [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares/Units, granted (in shares/units) 407,156        
Lower limit, grant date fair value (in dollars per share) $ 18.65        
Upper limit, grant date fair value (in dollars per share) $ 21.94        
Restricted Common Share Award Plan [Member] | Director [Member] | Restricted common shares [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period 3 years        
Restricted Common Share Award Plan [Member] | Chief Executive Officer [Member] | Restricted common shares [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period 2 years        
Share-based compensation arrangement award holding period 3 years        
Restricted Common Share Award Plan [Member] | Minimum [Member] | Senior Executive Officers [Member] | Restricted common shares [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period 3 years        
Restricted Common Share Award Plan [Member] | Maximum [Member] | Senior Executive Officers [Member] | Restricted common shares [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period 5 years        
2018 OPP [Member] | Performance Shares [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Expected Dividend Rate       4.80%  
Expected Volatility Rate       27.00%  
Risk Free Interest Rate       2.40%  
Share-based Award Measurement Period 3 years        
2018 OPP [Member] | Vesting immediately [Member] | Performance Shares [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting percentage 50.00%        
2018 OPP [Member] | Vesting one year thereafter [Member] | Performance Shares [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting percentage 50.00%        
2018 OPP [Member] | Chief Executive Officer [Member] | Vesting immediately [Member] | Performance Shares [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting percentage 50.00%        
2018 OPP [Member] | Chief Executive Officer [Member] | Vesting one year thereafter [Member] | Performance Shares [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting percentage 50.00%