Annual report pursuant to Section 13 and 15(d)

Variable Interest Entities (Details)

v3.22.0.1
Variable Interest Entities (Details) - helicopter
12 Months Ended
Apr. 06, 2018
Dec. 31, 2021
ARS    
Variable Interest Entity [Line Items]    
Ownership percentage 100.00%  
Brim Acquisitions LLC    
Variable Interest Entity [Line Items]    
Ownership percentage 49.00%  
Cobra Aviation Services LLC    
Variable Interest Entity [Line Items]    
Number of helicopters owned   2
Cobra Aviation Services LLC | Dire Wolf Energy Services LLC    
Variable Interest Entity [Line Items]    
Interest transferred 100.00%  
Leopard Aviation LLC    
Variable Interest Entity [Line Items]    
Number of helicopters owned   1
Leopard Aviation LLC | Predator Aviation LLC    
Variable Interest Entity [Line Items]    
Interest transferred 100.00%