Annual report pursuant to Section 13 and 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 ($)
3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Joint Venture Interest [Member]                      
Summary Statements of Operations of Unconsolidated Joint Ventures [Line Items]                      
Revenues                 $ 106,766,000 $ 106,042,000 $ 78,625,000
Expenses:                      
Property operating                 39,576,000 40,639,000 30,986,000
General and administrative                 349,000 571,000 621,000
Impairment of Real Estate                 5,838,000 0 0
Abandoned development costs                 0 0 472,000
Depreciation and amortization                 32,930,000 34,516,000 23,426,000
Total expenses                 78,693,000 75,726,000 55,505,000
Operating income                 28,073,000 30,316,000 23,120,000
Interest expense                 (8,946,000) (8,674,000) (5,459,000)
Other non-operating income                 6,000 19,000 0
Net income                 19,133,000 21,661,000 17,661,000
Tanger Factory Outlet Centers, Inc [Member]                      
Summary Statements of Operations of Unconsolidated Joint Ventures [Line Items]                      
Revenues $ 124,559,000 $ 119,137,000 $ 111,333,000 $ 110,805,000 $ 112,801,000 $ 112,906,000 $ 107,736,000 $ 105,926,000 465,834,000 439,369,000 418,558,000
Expenses:                      
Property operating                 152,017,000 146,503,000 137,422,000
General and administrative                 46,696,000 44,469,000 44,469,000
Abandoned development costs                 0 0 2,365,000
Depreciation and amortization                 115,357,000 103,936,000 102,432,000
Total expenses                 314,557,000 294,908,000 286,695,000
Operating income 38,263,000 39,875,000 38,340,000 34,799,000 38,291,000 36,376,000 36,894,000 32,900,000 151,277,000 144,461,000 131,863,000
Interest expense                 (60,669,000) (54,188,000) (57,931,000)
Other non-operating income                 1,028,000 (36,000) 794,000
Net income $ 25,636,000 $ 72,774,000 $ 77,302,000 $ 28,617,000 $ 113,963,000 $ 46,460,000 $ 25,359,000 $ 36,386,000 204,329,000 222,168,000 78,152,000
The Company and Operating Partnership's share of:                      
Net income                 10,872,000 11,484,000 9,053,000
Depreciation and asset impairments (real estate related)                 $ 21,829,000 $ 20,052,000 $ 12,212,000