Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenues:
Product sales	$ 306,703	$ 249,558	$ 457,761
Services and rentals	513,675	445,206	672,384
Total revenues	820,378	694,764	1,130,145
Cost of revenues:
Cost of product sales	224,569	197,200	324,187
Cost of services and rentals	367,302	298,380	417,549
Depreciation, amortization, and accretion	116,159	129,595	155,015
Impairments of long-lived assets	14,876	18,172	44,158
Insurance Recoveries	(2,352)	0	0
Total cost of revenues	720,554	643,347	940,909
Gross profit	99,824	51,417	189,236
General and administrative expense	121,905	115,964	157,812
Impairment of goodwill	0	(106,205)	(177,006)
Interest expense, net	57,246	58,626	54,475
(Gain) loss on sales of assets	(674)	(2,357)	(4,375)
Fair Value Adjustment of Warrants	(5,301)	2,106	0
Liabilities, Fair Value Adjustment	(2,975)	4,404	0
Gain (Loss) Related to Litigation Settlement	(10,027)	0	0
Other (income) expense, net	633	3,559	6,081
Income (loss) before taxes and discontinued operations	(60,983)	(237,090)	(201,763)
Provision (benefit) for income taxes	1,200	2,303	7,704
Net income (loss)	(62,183)	(239,393)	(209,467)
Less: income (loss) attributable to noncontrolling interest	$ 23,135	77,931	83,284
Net income (loss) attributable to TETRA stockholders		$ (161,462)	$ (126,183)
Basic net income (loss) per common share:
Net income (loss) attributable to TETRA stockholders	$ (0.34)	$ (1.85)	$ (1.59)
Average shares outstanding	114,499	87,286	79,169
Diluted net income (loss) per common share:
Net income (loss) attributable to TETRA stockholders	$ (0.34)	$ (1.85)	$ (1.59)
Average diluted shares outstanding	114,499	87,286	79,169