SEGMENT INFORMATION (Details) $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($) segment	Mar. 31, 2019 USD ($)
SEGMENT INFORMATION
Number of operating segments \| segment	3
Number of reportable segments \| segment	3
Segment information
Revenue	$ 278,285	$ 362,646
Income (loss) before taxes	(291,384)	1,578
Depreciation and Amortization	26,867	32,518
Capital Expenditures	7,050	31,645
(Loss) income from operations	(290,831)	6,633
Other income, net	259	269
Operating segment \| Water services
Segment information
Revenue	150,152	220,880
Income (loss) before taxes	(195,900)	23,660
Depreciation and Amortization	17,156	21,262
Capital Expenditures	1,267	13,126
Operating segment \| Water infrastructure
Segment information
Revenue	57,884	53,616
Income (loss) before taxes	(82,077)	3,801
Depreciation and Amortization	7,028	6,089
Capital Expenditures	2,568	17,238
Operating segment \| Oilfield chemicals
Segment information
Revenue	71,028	67,119
Income (loss) before taxes	(2,896)	2,013
Depreciation and Amortization	1,998	2,453
Capital Expenditures	2,890	1,220
Operating segment \| Other
Segment information
Revenue		23,670
Income (loss) before taxes	25	(6,523)
Depreciation and Amortization		1,714
Capital Expenditures	325	61
Elimination
Segment information
Revenue	(779)	(2,639)
Corporate
Segment information
Income (loss) before taxes	(9,983)	(16,318)
Depreciation and Amortization	685	1,000
Material reconciling items
Segment information
(Loss) income from operations	(280,848)	22,951
Interest expense, net	(331)	(1,093)
Other income, net	$ (222)	$ (3,962)

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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