Segment Reporting (Details) $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($) segment	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments \| segment	2
Revenue	$ 152,400	$ 169,194
Segment operating income (loss)	(108,973)	16,414
Total assets (at end of period)	646,609	791,760	$ 774,673
Capital expenditures	3,340	5,183
Depreciation and amortization	5,441	5,587
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue	0	0
Reservoir Description [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue	102,702	103,292
Segment operating income (loss)	11,062	6,179
Total assets (at end of period)	337,406	342,617
Capital expenditures	1,412	1,902
Depreciation and amortization	3,521	3,987
Reservoir Description [Member] \| Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue	100	96
Production Enhancement [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue	49,698	65,902
Segment operating income (loss)	(121,299)	9,912
Total assets (at end of period)	159,608	290,734
Capital expenditures	1,914	2,851
Depreciation and amortization	1,642	1,183
Production Enhancement [Member] \| Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue	316	44
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Revenue	0	0
Segment operating income (loss)	1,264	323
Total assets (at end of period)	149,595	158,409
Capital expenditures	14	430
Depreciation and amortization	278	417
Corporate and Other [Member] \| Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue	$ (416)	$ (140)

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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