Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.3
Equity-Based Compensation of the Company (Narrative) (Details) - Tanger Factory Outlet Centers, Inc. [Member] - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 9 Months Ended
Feb. 28, 2019
Sep. 30, 2019
Sep. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares paid for tax withholding for share based compensation (in shares)   81,284 89,437
Payment, Tax Withholding, Share-based Payment Arrangement   $ 1,781 $ 2,068
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) 309,000    
Lower limit, grant date fair value (in dollars per share) $ 19.01    
Upper limit, grant date fair value (in dollars per share) $ 21.73    
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]      
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    
2019 OPP [Member] | Performance Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Award Measurement Period 3 years    
2019 OPP [Member] | Vesting immediately [Member] | Performance Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting percentage 50.00%    
2019 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%