Quarterly report pursuant to Section 13 or 15(d)

Equity Method Investment - Narrative (Details)

v3.22.2
Equity Method Investment - Narrative (Details)
$ in Millions
3 Months Ended 6 Months Ended
Dec. 21, 2018
USD ($)
helicopter
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
helicopter
Jun. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
Cobra Aviation Services LLC            
Schedule of Equity Method Investments [Line Items]            
Number of helicopters | helicopter       2    
Brim Acquisitions LLC            
Schedule of Equity Method Investments [Line Items]            
Number of helicopters | helicopter 4          
Number of helicopters under lease | helicopter 5          
Brim Acquisitions LLC            
Schedule of Equity Method Investments [Line Items]            
Contributions to equity investee $ 2.0          
Difference between carrying amount and underlying equity   $ 2.9   $ 2.9   $ 3.4
Adjustment to equity investee   $ 0.1 $ 0.0 $ (0.4) $ (0.6)  
Brim Acquisitions LLC | Cobra Aviation Services LLC            
Schedule of Equity Method Investments [Line Items]            
Equity method investment, ownership percentage 49.00%          
Brim Acquisitions LLC | Wexford            
Schedule of Equity Method Investments [Line Items]            
Equity method investment, ownership percentage 51.00%          
Brim Equipment Assets | Cobra Aviation Services LLC            
Schedule of Equity Method Investments [Line Items]            
Cash paid to acquire a business $ 2.0