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
Mar. 31, 2017
Mar. 31, 2016
Tanger Factory Outlet Centers, Inc [Member]    
Summary Statements of Operations of Unconsolidated Joint Ventures [Line Items]    
Revenues $ 121,368 $ 110,805
Expenses:    
Property operating 40,387 37,874
General and administrative 11,412 11,565
Depreciation and amortization 31,294 26,567
Total expenses 83,720 76,006
Operating income 37,648 34,799
Interest expense (16,487) (14,884)
Other non-operating income (expense) 35 316
Net income 23,514 28,617
The Company and Operating Partnership's share of:    
Net income 2,318 3,499
Depreciation and amortization expense (real estate related) 3,838 5,339
Joint Venture [Member]    
Summary Statements of Operations of Unconsolidated Joint Ventures [Line Items]    
Revenues 24,062 27,698
Expenses:    
Property operating 9,378 10,318
General and administrative 120 117
Depreciation and amortization 7,513 8,799
Total expenses 17,011 19,234
Operating income 7,051 8,464
Interest expense (2,260) (2,554)
Other non-operating income (expense) 2 1
Net income $ 4,793 $ 5,911