Quarterly report pursuant to Section 13 or 15(d)

Investments in Unconsolidated Real Estate Joint Ventures (Summary Statements of Operations for Unconsolidated Joint Ventures) (Details)

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Investments in Unconsolidated Real Estate Joint Ventures (Summary Statements of Operations for Unconsolidated Joint Ventures) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Tanger Factory Outlet Centers, Inc [Member]        
Summary Statements of Operations of Unconsolidated Joint Ventures [Line Items]        
Revenues $ 119,614 $ 111,333 $ 240,982 $ 222,138
Expenses:        
Property operating 37,116 35,012 77,503 72,886
General and administrative 11,500 11,675 22,912 23,240
Depreciation and amortization 32,905 26,306 64,199 52,873
Total expenses 81,521 72,993 165,241 148,999
Operating income 38,093 38,340 75,741 73,139
Interest expense (16,520) (13,800) (33,007) (28,684)
Other non-operating income (expense) 57 38 92 354
Net income 30,947 77,302 54,461 105,919
The Company and Operating Partnership's share of:        
Net income 2,374 3,466 4,692 6,965
Depreciation and amortization expense (real estate related) 3,550 5,808 7,388 11,147
Joint Venture [Member]        
Summary Statements of Operations of Unconsolidated Joint Ventures [Line Items]        
Revenues 23,285 29,341 47,347 57,039
Expenses:        
Property operating 8,877 11,078 18,255 21,396
General and administrative 96 179 216 295
Depreciation and amortization 6,943 9,408 14,456 18,208
Total expenses 15,916 20,665 32,927 39,899
Operating income 7,369 8,676 14,420 17,140
Interest expense (2,460) (2,682) (4,720) (5,236)
Other non-operating income (expense) 1 2 3 3
Net income $ 4,910 $ 5,996 $ 9,703 $ 11,907