Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation - Option Awards (Details)

v3.19.3.a.u2
Equity-Based Compensation - Option Awards (Details) - Tanger Factory Outlet Centers, Inc. [Member]
 12 Months Ended
Dec. 31, 2019
$ / shares
shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options Outstanding, Options | shares 523,300
Options Outstanding, Weighted average exercise price (in dollars per share) | $ / shares $ 25.57
Options Outstanding, Weighted remaining contractual life in years 6 years 21 days
Options Exercisable, Options | shares 284,500
Options Exercisable, Weighted average exercise price (in dollars per share) | $ / shares $ 28.61
Exercise price one [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options Outstanding, Options | shares 298,500
Options Outstanding, Weighted average exercise price (in dollars per share) | $ / shares $ 21.94
Options Outstanding, Weighted remaining contractual life in years 8 years 2 months 15 days
Options Exercisable, Options | shares 59,700
Options Exercisable, Weighted average exercise price (in dollars per share) | $ / shares $ 21.94
Exercise price two [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options Outstanding, Options | shares 61,700
Options Outstanding, Weighted average exercise price (in dollars per share) | $ / shares $ 26.06
Options Outstanding, Weighted remaining contractual life in years 1 year 1 month 24 days
Options Exercisable, Options | shares 61,700
Options Exercisable, Weighted average exercise price (in dollars per share) | $ / shares $ 26.06
Exercise price three [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options Outstanding, Options | shares 163,100
Options Outstanding, Weighted average exercise price (in dollars per share) | $ / shares $ 32.02
Options Outstanding, Weighted remaining contractual life in years 4 years 3 days
Options Exercisable, Options | shares 163,100
Options Exercisable, Weighted average exercise price (in dollars per share) | $ / shares $ 32.02