Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues:
Revenue	$ 377,715	$ 561,241	$ 560,102
Cost of revenues:
Depreciation, amortization, and accretion	38,214	47,563	44,425
Impairments of long-lived assets	556	92,037	2,939
Insurance Recoveries	(126)	(1,216)	0
Total cost of revenues	310,172	549,434	456,821
Gross profit	67,543	11,807	103,281
General and administrative expense	76,697	96,466	92,902
Impairment of goodwill	0	(25,784)	0
Interest expense, net	18,926	21,256	19,041
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property	2,878	1,665	512
Warrants fair value adjustment	(251)	(1,624)	(11,129)
Other (income) expense, net	135	(301)	5,607
Income (loss) before taxes and discontinued operations	(25,086)	(128,109)	(2,628)
Provision (benefit) for income taxes	1,758	2,811	3,684
Loss from continuing operations	(26,844)	(130,920)	(6,312)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	(72,089)	(29,580)	(77,928)
Less: income (loss) attributable to noncontrolling interest	$ 47,790	13,087	22,623
Net income (loss) attributable to TETRA stockholders		$ (147,413)	$ (61,617)
Basic and diluted net loss per common share attributable to TETRA stockholders:
Loss from continuing operations (in dollars per share)	$ (0.22)	$ (1.04)	$ (0.05)
Loss from discontinued operations (in dollars per share)	(0.19)	(0.13)	(0.45)
Basic and diluted net loss per common share (in dollars per share)	$ (0.41)	$ (1.17)	$ (0.50)
Weighted average common shares outstanding:
Weighted average common shares outstanding - basic and diluted (in shares)	125,838	125,600	124,101
Service [Member]
Revenues:
Revenue	$ 144,994	$ 301,688	$ 315,729
Cost of revenues:
Cost of Goods and Services Sold	120,775	233,191	228,013
Product [Member]
Revenues:
Revenue	232,721	259,553	244,373
Cost of revenues:
Cost of Goods and Services Sold	$ 150,753	$ 177,859	$ 181,444