Current report filing

COMMITMENTS AND CONTINGENCIES, Aircraft Orders and Options (Details)

v3.20.1
COMMITMENTS AND CONTINGENCIES, Aircraft Orders and Options (Details)
$ in Thousands
 1 Months Ended 3 Months Ended 5 Months Ended 7 Months Ended 12 Months Ended
Dec. 31, 2019
Aircraft
Oct. 31, 2019
Aircraft
Aug. 31, 2019
Aircraft
Dec. 31, 2018
USD ($)
Sep. 30, 2019
Aircraft
Jun. 30, 2019
Aircraft
Mar. 31, 2020
USD ($)
Aircraft
Oct. 31, 2019
USD ($)
Aircraft
Mar. 31, 2020
USD ($)
Aircraft
Mar. 31, 2019
USD ($)
Aircraft
Mar. 31, 2018
USD ($)
Aircraft
Commitments and Contingencies [Abstract]                      
Aircraft rejected         10 10          
Purchase commitment, total aircrafts             22   22    
Postponement of commitments, number of aircraft             3   3    
Deferral of capital expenditures | $             $ 14,400   $ 14,400    
Number of aircraft purchased 2 1 1                
Contract termination costs | $       $ 14,000     $ 0 $ 0   $ 14,699 $ 0
Number of aircrafts purchased without orders                 0 1 0
U.K. SAR                      
Commitments and Contingencies [Abstract]                      
Purchase commitment, total aircrafts             4   4    
Orders                      
Commitments and Contingencies [Abstract]                      
Beginning of period           26 2 26 26 27 32
Aircraft delivered             (2) (2)   0 (5)
Aircraft rejected             0 (22)   0 0
Cancelled order             0 0   (1) 0
Expired options             0 0   0 0
End of period   2         0 2 0 26 27
Options                      
Commitments and Contingencies [Abstract]                      
Beginning of period           0 0 0 0 4 4
Aircraft delivered             0 0   0 0
Aircraft rejected             0 0   0 0
Cancelled order             0 0   0 0
Expired options             0 0   (4) 0
End of period   0         0 0 0 0 4