Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Income Taxes - Schedule of Taxable Income Available to Common Shareholders (Details)

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Summary of Significant Accounting Policies - Income Taxes - Schedule of Taxable Income Available to Common Shareholders (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
Schedule of Taxable Income Available to Common Shareholders [Line Items]                      
Net income available to the Company's shareholders $ (11,749) $ 23,546 $ 13,727 $ 62,331 $ 19,707 $ (21,859) $ 22,969 $ 22,838 $ 87,855 $ 43,655 $ 68,002
Depreciation and amortization                 51,602 58,208 10,685
Sale of assets and interests in unconsolidated entities                 (41,138) (3,243) (8,718)
Equity in earnings from unconsolidated joint ventures                 1,447 18,444 15,662
Share-based payment compensation                 8,246 6,269 221
Other differences                 8,948 (630) (1,089)
Taxable income available to common shareholders                 $ 116,960 $ 122,703 $ 84,763