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QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 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 | Sep. 30, 2016 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Quarterly financial data |  |  |  |  |  |  |  |  |  |  |  |
Total revenue | $ 128,531 | $ 138,795 | $ 99,991 | $ 89,686 | $ 82,916 | $ 96,782 | $ 90,326 | $ 85,345 |  | $ 457,003 | $ 355,369 | $ 336,347
Operating expenses | 118,620 | 116,714 | 98,079 | 73,793 | 74,735 | 74,258 | 61,594 | 66,187 |  | 407,206 | 276,774 | 250,771
Income from operations | 9,911 | 22,081 | 1,912 | 15,893 | 8,181 | 22,524 | 28,732 | 19,158 |  | 49,797 | 78,595 | 85,576
Other income (expense), net | (2,321) | (785) | (853) | (464) | (418) | (742) | (706) | (20,528) |  | (4,423) | (22,394) | 592
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES | 7,590 | 21,296 | 1,059 | 15,429 | 7,763 | 21,782 | 28,026 | (1,370) |  | 45,374 | 56,201 | 86,168
Income taxes | 3,982 | 9,602 | 2,945 | 4,631 | 1,482 | 10,134 | 13,008 | (487) |  | 21,160 | 24,137 | 28,148
INCOME FROM CONTINUING OPERATIONS | 3,608 | 11,694 | (1,886) | 10,798 | 6,281 | 11,648 | 15,018 | (883) |  | 24,214 | 32,064 | 58,020
Income from discontinued operations: |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of discontinued operations, net of tax |  |  |  |  | 702 |  |  | 389 |  |  | 1,092 | 1,102
Income from discontinued operations, net of tax |  |  |  |  | 702 |  |  | 390 |  |  | 1,092 | 1,102
NET INCOME | 3,608 | 11,694 | (1,886) | 10,798 | 6,983 | 11,648 | 15,018 | (493) |  | 24,214 | 33,156 | 59,122
Net income attributable to non-controlling interests, net of tax: |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations | (1,712) | (4,523) | (1,200) | (4,678) | (2,799) | (5,072) | (5,568) | (2,777) |  |  |  |
NET INCOME ATTRIBUTABLE TO ATN INTERNATIONAL, INC. STOCKHOLDERS | $ 1,896 | $ 7,171 | $ (3,086) | $ 6,120 | $ 4,184 | $ 6,576 | $ 9,450 | $ (3,270) |  | $ 12,101 | $ 16,940 | $ 48,152
NET INCOME PER WEIGHTED AVERAGE BASIC SHARE ATTRIBUTABLE TO ATN INTERNATIONAL, INC. STOCKHOLDERS: |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations (in dollars per share) | $ 0.12 | $ 0.44 | $ (0.19) | $ 0.38 | $ 0.17 | $ 0.41 | $ 0.59 | $ (0.18) |  | $ 0.75 | $ 0.99 | $ 2.96
Discontinued operations: |  |  |  |  |  |  |  |  |  |  |  |
Discontinued operations (in dollars per share) |  |  |  |  |  |  |  | 0.07 |  |  |  |
Total discontinued operations (in dollars per share) |  |  |  |  |  |  |  | 0.07 |  |  | 0.07 | 0.07
Total (in dollars per share) | 0.12 | 0.44 | (0.19) | 0.38 | 0.17 | 0.41 | 0.59 | (0.11) |  | 0.75 | 1.06 | 3.03
NET INCOME PER WEIGHTED AVERAGE DILUTED SHARE ATTRIBUTABLE TO ATN INTERNATIONAL, INC. STOCKHOLDERS: |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations (in dollars per share) | 0.12 | 0.44 | (0.19) | 0.38 | 0.16 | 0.41 | 0.59 | (0.18) |  | 0.75 | 0.98 | 2.94
Discontinued operations: |  |  |  |  |  |  |  |  |  |  |  |
Discontinued operations (in dollars per share) |  |  |  |  |  |  |  | 0.07 |  |  |  |
Total discontinued operations (in dollars per share) |  |  |  |  |  |  |  | 0.07 |  |  | 0.07 | 0.07
Total (in dollars per share) | $ 0.12 | $ 0.44 | $ (0.19) | $ 0.38 | $ 0.16 | $ 0.41 | $ 0.59 | $ (0.11) |  | $ 0.75 | $ 1.05 | $ 3.01
Additional information: |  |  |  |  |  |  |  |  |  |  |  |
Reclassification, decrease (increase) to expense | $ (800) |  |  |  | $ 700 |  |  |  |  |  |  |
Tax basis differences and expense recognition adjustment |  |  |  |  |  | $ 700 |  |  |  |  |  |
International Telecom | Operating Expense |  |  |  |  |  |  |  |  |  |  |  |
Additional information: |  |  |  |  |  |  |  |  |  |  |  |
Understatement of expense |  |  |  |  |  |  |  |  | $ 300 |  |  |
Renewable energy | Revenue |  |  |  |  |  |  |  |  |  |  |  |
Additional information: |  |  |  |  |  |  |  |  |  |  |  |
Understatement of revenue |  |  |  |  |  |  |  |  | $ 500 |  |  |

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