Quarterly report pursuant to Section 13 or 15(d)

REVENUES - Schedule of Disaggregation of Revenue (Details)

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REVENUES - Schedule of Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Disaggregation of Revenue [Line Items]        
Total revenues $ 359,749 $ 319,383 $ 696,843 $ 621,405
Total operating revenues        
Disaggregation of Revenue [Line Items]        
Total revenues 352,494 311,522 681,850 604,453
Offshore energy services        
Disaggregation of Revenue [Line Items]        
Total revenues 238,491 195,194 459,189 376,823
Government services        
Disaggregation of Revenue [Line Items]        
Total revenues 79,476 87,320 161,584 169,654
Fixed wing services        
Disaggregation of Revenue [Line Items]        
Total revenues 31,987 26,448 55,695 52,367
Other services        
Disaggregation of Revenue [Line Items]        
Total revenues 2,540 2,560 5,382 5,609
Reimbursable revenues        
Disaggregation of Revenue [Line Items]        
Total revenues $ 7,255 $ 7,861 $ 14,993 $ 16,952