Segment Reporting (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020 USD ($)	Mar. 31, 2020 segment	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) segment	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments \| segment		2		2
Revenue	$ 115,736		$ 169,038	$ 268,136	$ 338,232
Segment operating income (loss)	(2,567)		28,008	(111,540)	44,422
Total assets (at end of period)	614,441		781,518	614,441	781,518	$ 774,673
Capital expenditures	3,065		7,047	6,406	12,230
Depreciation and amortization	5,425		5,786	10,866	11,373
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue	0		0	0	0
Reservoir Description [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue	88,442		105,649	191,144	208,941
Segment operating income (loss)	13,534		15,878	24,596	22,057
Total assets (at end of period)	321,003		342,843	321,003	342,843
Capital expenditures	1,820		2,744	3,232	4,646
Depreciation and amortization	3,452		3,834	6,974	7,821
Reservoir Description [Member] \| Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue	62		151	162	247
Production Enhancement [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue	27,294		63,389	76,992	129,291
Segment operating income (loss)	(16,324)		10,424	(137,623)	20,336
Total assets (at end of period)	133,133		290,967	133,133	290,967
Capital expenditures	1,198		4,281	3,112	7,132
Depreciation and amortization	1,706		1,544	3,347	2,727
Production Enhancement [Member] \| Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue	88		176	404	220
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Revenue	0		0
Segment operating income (loss)	223		1,706	1,487	2,029
Total assets (at end of period)	160,305		147,708	160,305	147,708
Capital expenditures	47		22	62	452
Depreciation and amortization	267		408	545	825
Corporate and Other [Member] \| Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue	$ (150)		$ (327)	$ (566)	$ (467)

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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