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Business Segments - Identifiable Assets (Detail) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Segment Reporting Asset Reconciling Item [Line Items]    
Total assets $ 3,092,345 $ 3,143,823
Operating Segments | Contract Drilling    
Segment Reporting Asset Reconciling Item [Line Items]    
Total assets 2,164,567 2,197,137
Operating Segments | Pressure Pumping    
Segment Reporting Asset Reconciling Item [Line Items]    
Total assets 495,638 541,975
Operating Segments | Directional Drilling    
Segment Reporting Asset Reconciling Item [Line Items]    
Total assets 124,045 121,111
Operating Segments | Corporate Segment    
Segment Reporting Asset Reconciling Item [Line Items]    
Total assets [1] 210,110 189,653
Other Operations    
Segment Reporting Asset Reconciling Item [Line Items]    
Total assets $ 97,985 $ 93,947
[1] Corporate assets primarily include cash on hand and certain property and equipment.