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Segment Information - Assets (Details) - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
Segment Reporting    
Total identifiable assets $ 8,399.9 $ 8,651.0
Permian    
Segment Reporting    
Total identifiable assets 2,708.3 2,661.4
Louisiana    
Segment Reporting    
Total identifiable assets 2,077.6 2,310.7
Oklahoma    
Segment Reporting    
Total identifiable assets 2,350.4 2,420.4
North Texas    
Segment Reporting    
Total identifiable assets 1,038.9 1,094.6
Corporate    
Segment Reporting    
Total identifiable assets $ 224.7 $ 163.9