Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation - Restricted Common Shares Narrative (Details)

v3.8.0.1
Equity-Based Compensation - Restricted Common Shares Narrative (Details) - Tanger Factory Outlet Centers, Inc. [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares paid for tax withholding for share based compensation (in shares) 69,886 66,760 31,863
Payments for the employees' tax obligations to taxing authorities $ 2,436 $ 2,177 $ 1,126
Restricted Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted 253,431 286,524 357,844
Total value of restricted common shares vested $ 12,400 $ 12,700 $ 13,100
Shares paid for tax withholding for share based compensation (in shares) 69,886   31,863
Payments for the employees' tax obligations to taxing authorities $ 2,400 $ 2,200 $ 1,100
Restricted Common Share Award Plan [Member] | Restricted Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted 253,431 286,524 357,844
Restricted Common Share Award Plan [Member] | Independent director | Restricted Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award Vesting Period 3 years    
Restricted Common Share Award Plan [Member] | Chief executive officer | Restricted 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 officer | Restricted Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award Vesting Period 3 years    
Restricted Common Share Award Plan [Member] | Maximum [Member] | Senior Executive officer | Restricted Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award Vesting Period 5 years