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Accumulated Other Comprehensive Loss of the Company - Balances of Each Component of AOCI (Details) - Tanger Factory Outlet Centers, Inc. [Member] - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |
Beginning balance | $ 612,302 | $ 705,441 | $ 606,032
Ending balance | 505,535 | 612,302 | 705,441
Interest rate swap gain (loss) to be reclassified within twelve months | 2,900 |  |
Foreign Currency Tanger Factory Outlet Centers, Inc. Accumulated Other Comprehensive Income (Loss) [Member] |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |
Beginning balance | (24,360) | (32,087) | (36,130)
Other comprehensive income (loss) before reclassifications | (8,250) | 7,727 | 4,043
Reclassification out of accumulated other comprehensive income into interest expense | 0 | 0 | 0
Ending balance | (32,610) | (24,360) | (32,087)
Cash flow hedges Tanger Factory Outlet Centers, Inc. Accumulated Other Comprehensive Income (Loss) [Member] |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |
Beginning balance | 5,075 | 3,792 | (585)
Other comprehensive income (loss) before reclassifications | 2,335 | 1,020 | 2,539
Reclassification out of accumulated other comprehensive income into interest expense | (1,951) | 263 | 1,838
Ending balance | 5,459 | 5,075 | 3,792
Total Tanger Factory Outlet Centers, Inc. Accumulated Other Comprehensive Income (Loss) [Member] |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |
Beginning balance | (19,285) | (28,295) | (36,715)
Other comprehensive income (loss) before reclassifications | (5,915) | 8,747 | 6,582
Reclassification out of accumulated other comprehensive income into interest expense | (1,951) | 263 | 1,838
Ending balance | (27,151) | (19,285) | (28,295)
Foreign Currency noncontrolling interest [Member] |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |
Beginning balance | (1,329) | (1,740) | (1,956)
Other comprehensive income (loss) before reclassifications | (441) | 411 | 216
Reclassification out of accumulated other comprehensive income into interest expense | 0 | 0 | 0
Ending balance | (1,770) | (1,329) | (1,740)
Cash Flow Hedges noncontrolling interest [Member] |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |
Beginning balance | 269 | 201 | (31)
Other comprehensive income (loss) before reclassifications | 126 | 55 | 135
Reclassification out of accumulated other comprehensive income into interest expense | (105) | 13 | 97
Ending balance | 290 | 269 | 201
Noncontrolling Interest [Member] |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |
Beginning balance | (1,060) | (1,539) | (1,987)
Other comprehensive income (loss) before reclassifications | (315) | 466 | 351
Reclassification out of accumulated other comprehensive income into interest expense | (105) | 13 | 97
Ending balance | $ (1,480) | $ (1,060) | $ (1,539)

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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994 + Details
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