Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation - Option Awards (Details)

v3.8.0.1
Equity-Based Compensation - Option Awards (Details) - Tanger Factory Outlet Centers, Inc. [Member]
12 Months Ended
Dec. 31, 2017
$ / shares
shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Options | shares 231,200
Options Outstanding, Weighted average exercise price (in dollars per share) | $ / shares $ 30.42
Weighted remaining contractual life in years 5 years 2 months 27 days
Options Exercisable, Options | shares 152,000
Options Exercisable, Weighted average exercise price (in dollars per share) | $ / shares $ 29.58
Exercise price 26.06 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Options | shares 62,200
Options Outstanding, Weighted average exercise price (in dollars per share) | $ / shares $ 26.06
Weighted remaining contractual life in years 3 years 1 month 25 days
Options Exercisable, Options | shares 62,200
Options Exercisable, Weighted average exercise price (in dollars per share) | $ / shares $ 26.06
Exercise price 32.02 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Options | shares 169,000
Options Outstanding, Weighted average exercise price (in dollars per share) | $ / shares $ 32.02
Weighted remaining contractual life in years 6 years
Options Exercisable, Options | shares 89,800
Options Exercisable, Weighted average exercise price (in dollars per share) | $ / shares $ 32.02