Annual report pursuant to Section 13 and 15(d)

COMMITMENTS AND CONTINGENCIES (Details)

v3.10.0.1
COMMITMENTS AND CONTINGENCIES (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jul. 03, 2018
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Operating Leased Assets [Line Items]        
Unfunded capital commitments   $ 81,100    
Unfunded capital commitments due in next twelve months   70,200    
Deposits paid on options not yet exercised   1,300    
Amount inclusive of deposits paid and without further liability   2,100    
Escrow deposits   0 $ 3,250 $ 3,777
Rental expense   $ 4,100 $ 5,500 $ 5,700
Minimum        
Operating Leased Assets [Line Items]        
Lease term range   1 year    
Maximum        
Operating Leased Assets [Line Items]        
Lease term range   10 years    
State of Rio de Janeiro | Foreign Tax Authority        
Operating Leased Assets [Line Items]        
Penalties   $ 14,500    
Aeroleo | State of Rio de Janeiro | Foreign Tax Authority        
Operating Leased Assets [Line Items]        
Penalties   10,100    
Other litigation matters | Aeroleo | Foreign Tax Authority        
Operating Leased Assets [Line Items]        
Escrow deposits   5,400    
Pending Litigation | Former Tax Consultant Claims        
Operating Leased Assets [Line Items]        
Penalties   $ 500    
H225 Helicopters        
Operating Leased Assets [Line Items]        
Litigation settlement, amount awarded from other party $ 42,000