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v3.10.0.1

ACQUISITIONS - Revenue and income from operations (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
ACQUISITIONS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net (loss) income | $ (20,989) | $ (13,290) | $ (5,380) | $ (5,211) | $ 2,169 | $ (8,072) | $ (1,712) | $ (3,018) | $ (4,491) | $ 4,208 | $ 8,353 | $ 12,985 | $ (44,870) | $ (10,634) | $ 21,055

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