Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.2
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
Feb. 28, 2021
Jun. 30, 2021
Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Withholding of common shares for employee income taxes (in shares)   111,977 56,597
Payment, Tax Withholding, Share-based Payment Arrangement   $ 1,637 $ 736
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) 385,000    
February Grant Date Fair Value of Awards (per share) $ 14.60    
Restricted Common Share Award Plan [Member] | Restricted common shares [Member] | Director [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years    
Restricted Common Share Award Plan [Member] | Restricted common shares [Member] | Senior Executive Officers [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years    
2021 PSP | Performance Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares/Units, granted (in shares/units) 642,000    
February Grant Date Fair Value of Awards (per share)   $ 9.65  
Share-based Award Measurement Period 3 years    
2021 PSP | Vesting immediately [Member] | Performance Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting percentage 50.00%    
2021 PSP | 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 | Performance Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Award Measurement Period 3 years    
2018 OPP | Performance Shares [Member] | Relative portion of award [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares issued in period (in shares) 76,478    
2018 OPP | Performance Shares [Member] | Absolute portion of award [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares issued in period (in shares) 0    
2018 OPP | Vesting immediately [Member] | Performance Shares [Member] | Relative portion of award [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares issued in period (in shares) 43,127    
2018 OPP | Vesting one year thereafter [Member] | Performance Shares [Member] | Relative portion of award [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares issued in period (in shares) 33,351