Quarterly report pursuant to Section 13 or 15(d)

DEBT - Narrative (Details)

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DEBT - Narrative (Details)
€ in Millions, £ in Millions
1 Months Ended 6 Months Ended
Jul. 31, 2024
USD ($)
Jul. 31, 2024
EUR (€)
Jun. 30, 2024
USD ($)
aircraft
Jan. 31, 2024
GBP (£)
aircraft
Jan. 31, 2023
GBP (£)
loan
Feb. 28, 2021
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2024
GBP (£)
Jun. 30, 2024
EUR (€)
Jun. 30, 2023
USD ($)
Jun. 30, 2024
EUR (€)
Dec. 31, 2023
USD ($)
6.875% Senior Notes                        
Debt Instrument [Line Items]                        
Stated interest rate     6.875%       6.875%       6.875%  
6.875% Senior Notes | Senior Notes                        
Debt Instrument [Line Items]                        
Stated interest rate     6.875%     6.875% 6.875%       6.875%  
Face amount           $ 400,000,000            
Proceeds from issuance of long-term debt           $ 395,000,000            
Redemption price           101.00%            
Unamortized debt issuance costs     $ 5,100,000       $ 5,100,000         $ 5,800,000
UKSAR Debt                        
Debt Instrument [Line Items]                        
Variable rate       2.75% 2.75%              
UKSAR Debt | Secured Debt                        
Debt Instrument [Line Items]                        
Unamortized debt issuance costs     9,600,000       9,600,000         $ 8,400,000
Number of agreements | loan         2              
Debt term         13 years              
Number of helicopters secured | aircraft       4                
Principal payment             7,300,000     $ 6,500,000    
UKSAR Debt | Line of Credit | Revolving Credit Facility                        
Debt Instrument [Line Items]                        
Debt term       15 months                
Maximum borrowing capacity | £       £ 55.0 £ 145.0              
Proceeds from long-term lines of credit             32,700,000 £ 26.1        
IRCG Debt                        
Debt Instrument [Line Items]                        
Unamortized debt issuance costs     $ 2,000,000       2,000,000          
Variable rate     1.95%                  
IRCG Debt | Line of Credit | Revolving Credit Facility                        
Debt Instrument [Line Items]                        
Maximum borrowing capacity | €                     € 100.0  
Proceeds from long-term lines of credit             24,300,000   € 22.7      
Commitment fee percentage     80.00%                  
New AW189 aircrafts | aircraft     5                  
IRCG Debt | Line of Credit | Revolving Credit Facility | Minimum                        
Debt Instrument [Line Items]                        
Debt term     2 years                  
IRCG Debt | Line of Credit | Revolving Credit Facility | Maximum                        
Debt Instrument [Line Items]                        
Debt term     5 years                  
IRCG Debt | Line of Credit | Revolving Credit Facility | Subsequent Event                        
Debt Instrument [Line Items]                        
Proceeds from long-term lines of credit $ 25,400,000 € 23.3                    
ABL Facility | Line of Credit | Revolving Credit Facility                        
Debt Instrument [Line Items]                        
Maximum borrowing capacity     $ 85,000,000.0       85,000,000.0          
Increase limit     120,000,000.0       120,000,000.0          
Line of credit, outstanding     0       0          
Aggregate face amount outstanding     $ 3,100,000       $ 3,100,000