Annual report pursuant to Section 13 and 15(d)

Noncontrolling Interests (Details)

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Noncontrolling Interests (Details) - Tanger Factory Outlet Centers, Inc. [Member] - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]                      
Exchange of Class A limited partnership units (in units)                 49,511 34,749 32,348
Repurchase of shares (in shares)                 1,209,328 919,249 1,911,585
Net income attributable to Tanger Factory Outlet Centers, Inc. $ (11,749) $ 23,546 $ 13,727 $ 62,331 $ 19,707 $ (21,859) $ 22,969 $ 22,838 $ 87,855 $ 43,655 $ 68,002
Increase in Tanger Factory Outlet Centers, Inc. paid-in-capital adjustments to noncontrolling interests                 200 322  
Changes from net income attributable to Tanger Factory Outlet Centers, Inc. and transfers from noncontrolling interest                 $ 88,055 $ 43,977