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CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Tanger Factory Outlet Centers, Inc. [Member] | Tanger Factory Outlet Centers, Inc. [Member] Common shares [Member] | Tanger Factory Outlet Centers, Inc. [Member] Paid in capital [Member] | Tanger Factory Outlet Centers, Inc. [Member] Accumulated distributions in excess of earnings [Member] | Tanger Factory Outlet Centers, Inc. [Member] Accumulated other comprehensive loss [Member] | Tanger Factory Outlet Centers, Inc. [Member] Total parent equity [Member] | Tanger Factory Outlet Centers, Inc. [Member] Noncontrolling interests [Member] Limited partners [Member] | Tanger Factory Outlet Centers, Inc. [Member] Noncontrolling interests [Member] Other consolidated partnerships [Member] | Tanger Properties Limited Partnership [Member] | Tanger Properties Limited Partnership [Member] Accumulated other comprehensive loss [Member] | Tanger Properties Limited Partnership [Member] Total parent equity [Member] | Tanger Properties Limited Partnership [Member] Noncontrolling interests [Member] | Tanger Properties Limited Partnership [Member] General partner [Member] | Tanger Properties Limited Partnership [Member] Limited partners [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2016 | $ 705,441 | $ 961 | $ 820,251 | $ (122,701) | $ (28,295) | $ 670,216 | $ 35,066 | $ 159 |  |  |  |  |  |
Beginning Balance at Dec. 31, 2016 |  |  |  |  |  |  |  |  |  | $ (29,834) | $ 705,282 | $ 159 | $ 6,485 | $ 728,631
Balance, partners' capital, including portion attributable to noncontrolling interest at Dec. 31, 2016 |  |  |  |  |  |  |  |  | $ 705,441 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income | 38,427 |  |  | 36,507 |  | 36,507 | 1,920 |  | 38,427 |  | 38,427 |  | 379 | 38,048
Other comprehensive income | 9,038 |  |  |  | 8,582 | 8,582 | 456 |  | 9,038 | 9,038 | 9,038 |  |  |
Compensation under Incentive Award Plan | 10,891 |  | 10,891 |  |  | 10,891 |  |  | 10,891 |  | 10,891 |  |  | 10,891
Issuance of common shares upon exercise of options | 54 |  | 54 |  |  | 54 |  |  |  |  |  |  |  |
Issuance of common units upon exercise of options |  |  |  |  |  |  |  |  | 54 |  | 54 |  |  | 54
Grant of restricted common share awards, net of forfeitures |  | 4 | (4) |  |  |  |  |  |  |  |  |  |  |
Repurchased of common shares including transaction costs | (49,362) | (19) | (49,343) |  |  | (49,362) |  |  | (49,362) |  | (49,362) |  |  | (49,362)
Withholding of common shares/units for employee income taxes | (2,436) | (1) | (2,435) |  |  | (2,436) |  |  | (2,436) |  | (2,436) |  |  | (2,436)
Adjustment for noncontrolling interests in Operating Partnership |  |  | 1,606 |  |  | 1,606 | (1,606) |  |  |  |  |  |  |
Acquisition of noncontrolling interest in other consolidated partnership | (159) |  |  |  |  |  |  | (159) | (159) |  |  | (159) |  |
Common distributions |  |  |  |  |  |  |  |  | (102,859) |  | (102,859) |  | (1,010) | (101,849)
Common dividends | (97,781) |  |  | (97,781) |  | (97,781) |  |  |  |  |  |  |  |
Distributions to noncontrolling interests | (5,078) |  |  |  |  |  | (5,078) |  |  |  |  |  |  |
Ending Balance at Sep. 30, 2017 | 609,035 | 945 | 781,020 | (183,975) | (19,713) | 578,277 | 30,758 |  |  |  |  |  |  |
Ending Balance at Sep. 30, 2017 |  |  |  |  |  |  |  |  |  | (20,796) | 609,035 |  | 5,854 | 623,977
Balance, partners' capital, including portion attributable to noncontrolling interest at Sep. 30, 2017 |  |  |  |  |  |  |  |  | 609,035 |  |  |  |  |
Beginning Balance at Jun. 30, 2017 |  |  |  |  | (24,247) |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income | (16,034) |  |  |  |  |  |  |  | (16,034) |  |  |  |  |
Other comprehensive income | 4,776 |  |  |  |  |  |  |  | 4,776 |  |  |  |  |
Ending Balance at Sep. 30, 2017 | 609,035 | 945 | 781,020 | (183,975) | (19,713) | 578,277 | 30,758 |  |  |  |  |  |  |
Ending Balance at Sep. 30, 2017 |  |  |  |  |  |  |  |  |  | (20,796) | 609,035 |  | 5,854 | 623,977
Balance, partners' capital, including portion attributable to noncontrolling interest at Sep. 30, 2017 |  |  |  |  |  |  |  |  | 609,035 |  |  |  |  |
Beginning Balance at Dec. 31, 2017 | 612,302 | 946 | 784,782 | (184,865) | (19,285) | 581,578 | 30,724 | 0 |  |  |  |  |  |
Beginning Balance at Dec. 31, 2017 |  |  |  |  |  |  |  |  | 612,302 | (20,345) | 612,302 |  | 5,844 | 626,803
Balance, partners' capital, including portion attributable to noncontrolling interest at Dec. 31, 2017 |  |  |  |  |  |  |  |  | 612,302 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income | 24,944 |  |  | 23,948 |  | 23,948 | 1,274 | (278) | 24,944 |  | 25,222 | (278) | 252 | 24,970
Other comprehensive income | 919 |  |  |  | 872 | 872 | 47 |  | 919 | 919 | 919 |  |  |
Compensation under Incentive Award Plan | 11,654 |  | 11,654 |  |  | 11,654 |  |  | 11,654 |  | 11,654 |  |  | 11,654
Grant of restricted common share awards, net of forfeitures |  | 3 | (3) |  |  |  |  |  |  |  |  |  |  |
Repurchased of common shares including transaction costs | (19,998) | (9) | (19,989) |  |  | (19,998) |  |  | (19,998) |  | (19,998) |  |  | (19,998)
Withholding of common shares/units for employee income taxes | (2,068) | (1) | (2,067) |  |  | (2,068) |  |  | (2,068) |  | (2,068) |  |  | (2,068)
Contributions from noncontrolling interests | 445 |  |  |  |  |  |  | 445 | 445 |  |  | 445 |  |
Adjustment for noncontrolling interests in Operating Partnership |  |  | 347 |  |  | 347 | (347) |  |  |  |  |  |  |
Common distributions |  |  |  |  |  |  |  |  | (103,548) |  | (103,548) |  | (1,042) | (102,506)
Common dividends | (98,341) |  |  | (98,341) |  | (98,341) |  |  |  |  |  |  |  |
Distributions to noncontrolling interests | (5,374) |  |  |  |  |  | (5,207) | (167) | (167) |  |  | $ (167) |  |
Ending Balance at Sep. 30, 2018 | 524,483 | 939 | 774,724 | (259,258) | (18,413) | 497,992 | 26,491 | 0 |  |  |  |  |  |
Ending Balance at Sep. 30, 2018 |  |  |  |  |  |  |  |  | 524,483 | (19,426) | 524,483 |  | 5,054 | 538,855
Balance, partners' capital, including portion attributable to noncontrolling interest at Sep. 30, 2018 |  |  |  |  |  |  |  |  | 524,483 |  |  |  |  |
Beginning Balance at Jun. 30, 2018 |  |  |  |  | (20,722) |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income | (23,031) |  |  |  |  |  |  |  | (23,031) |  |  |  |  |
Other comprehensive income | 2,433 |  |  |  |  |  |  |  | 2,433 |  |  |  |  |
Ending Balance at Sep. 30, 2018 | $ 524,483 | $ 939 | $ 774,724 | $ (259,258) | $ (18,413) | $ 497,992 | $ 26,491 | $ 0 |  |  |  |  |  |
Ending Balance at Sep. 30, 2018 |  |  |  |  |  |  |  |  | 524,483 | $ (19,426) | $ 524,483 |  | $ 5,054 | $ 538,855
Balance, partners' capital, including portion attributable to noncontrolling interest at Sep. 30, 2018 |  |  |  |  |  |  |  |  | $ 524,483 |  |  |  |  |

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