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Segment Data - Operating Results for Reportable Segments (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Revenues |  |
Total revenues | $ 176,438 | $ 141,172
Operating income (loss) |  |
Total operating income | 967 | 544
Fluids Systems |  |
Revenues |  |
Total revenues | 141,014 | 87,849
Industrial Solutions |  |
Revenues |  |
Total revenues | 35,424 | 53,323
Operating segments | Fluids Systems |  |
Revenues |  |
Total revenues | 141,014 | 87,849
Operating income (loss) |  |
Total operating income | 3,374 | (6,767)
Operating segments | Industrial Solutions |  |
Revenues |  |
Total revenues | 35,424 | 53,323
Operating income (loss) |  |
Total operating income | 5,472 | 13,130
Corporate office |  |
Operating income (loss) |  |
Total operating income | $ (7,879) | $ (5,819)

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