Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation - Option Awards (Details)

v3.10.0.1
Equity-Based Compensation - Option Awards (Details) - Tanger Factory Outlet Centers, Inc. [Member]
 12 Months Ended
Dec. 31, 2018
$ / shares
shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Options | shares 534,500
Options Outstanding, Weighted average exercise price (in dollars per share) | $ / shares $ 25.56
Options Outstanding, Weighted remaining contractual life in years 7 years 29 days
Options Exercisable, Options | shares 189,800
Options Exercisable, Weighted average exercise price (in dollars per share) | $ / shares $ 30.08
Exercise price one [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Options | shares 306,000
Options Outstanding, Weighted average exercise price (in dollars per share) | $ / shares $ 21.94
Options Outstanding, Weighted remaining contractual life in years 9 years 2 months 13 days
Options Exercisable, Options | shares 0
Options Exercisable, Weighted average exercise price (in dollars per share) | $ / shares $ 0.00
Exercise price two [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, 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 2 years 1 month 25 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 Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Options | shares 166,800
Options Outstanding, Weighted average exercise price (in dollars per share) | $ / shares $ 32.02
Options Outstanding, Weighted remaining contractual life in years 5 years
Options Exercisable, Options | shares 128,100
Options Exercisable, Weighted average exercise price (in dollars per share) | $ / shares $ 32.02