Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Equity-Based Compensation of the Company (Narrative) (Details) - Tanger Factory Outlet Centers, Inc. [Member] - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 6 Months Ended
Apr. 30, 2020
Feb. 29, 2020
Jun. 30, 2020
Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares paid for tax withholding for share based compensation (in shares)     56,597 81,284
Payment, Tax Withholding, Share-based Payment Arrangement     $ 736 $ 1,781
Performance Shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares/Units, granted (in shares/units)   697,000    
President and COO [Member] | Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options granted 1,000,000.0      
Exercise price $ 7.15      
Options expire (in years) 10 years      
Vesting percentage 25.00%      
Weighted average grant date fair value $ 0.42      
Expected Dividend Rate 9.86%      
Expected life 7 years 10 months 24 days      
Expected Volatility Rate 30.00%      
Risk Free Interest Rate 0.60%      
Forfeiture Rate Used 0.00%      
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)   399,000    
Lower limit, grant date fair value (in dollars per share)   $ 12.03    
Upper limit, grant date fair value (in dollars per share)   $ 13.75    
Restricted Common Share Award Plan [Member] | President and COO [Member] | Restricted common shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage 33.00%      
Shares/Units, granted (in shares/units) 389,308      
Grant Date Fair Value $ 7.15      
Vesting period 3 years      
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] | 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] | Chief Executive Officer [Member] | Restricted common shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation arrangement award holding period     3 years  
2020 OPP [Member] | Performance Shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expected Dividend Rate     8.40%  
Expected Volatility Rate     29.00%  
Risk Free Interest Rate     1.40%  
Share-based Award Measurement Period     3 years  
2020 OPP [Member] | Vesting immediately [Member] | Performance Shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage   50.00%    
2020 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%    
2020 OPP [Member] | President and COO [Member] | Performance Shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares/Units, granted (in shares/units) 205,480