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Organization and Basis of Presentation (Details) | 9 Months Ended
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Sep. 30, 2021 Location Segment
Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Number of geographic segments | Segment | 3
Number of headquarter locations | Location | 3

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- Definition Number of geographic segments. + References No definition available. + Details
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- Definition Number of head quarter locations. + References No definition available. + Details
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Namespace Prefix: | drq_
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- References No definition available. + Details
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