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, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Schedule of Taxable Income Available to Common Shareholders [Line Items]                      
Net income available to the Company's shareholders $ 19,707 $ (21,859) $ 22,969 $ 22,838 $ 31,495 $ (15,219) $ 29,390 $ 22,336 $ 43,655 $ 68,002 $ 193,744
Depreciation and amortization                 58,208 10,685 1,666
Sale of assets and interests in unconsolidated entities                 (3,243) (8,718) (8,688)
Equity in earnings from unconsolidated joint ventures                 18,444 15,662 4,305
Share-based payment compensation                 6,269 221 4,596
Gain on previously held interest in acquired joint venture                 0 0 (91,467)
Other differences                 (630) (1,089) 6,294
Taxable income available to common shareholders                 $ 122,703 $ 84,763 $ 110,450