Annual report pursuant to Section 13 and 15(d)

AIRCRAFT AND ENGINES HELD FOR LEASE AND LEASE RENTAL - Components (Details)

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AIRCRAFT AND ENGINES HELD FOR LEASE AND LEASE RENTAL - Components (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
AIRCRAFT AND ENGINES HELD FOR LEASE AND LEASE RENTAL      
Impairment of leased assets   $ 3,000  
Depreciation expense $ 8,869 19,976 $ 27,064
Contingent rental fees $ 8,218 11,851 $ 21,550
Lease term (in years) 3 years    
Aircraft and Engines      
Aircraft and engines held for operating leases $ 197,397 228,942  
Less accumulated depreciation (124,033) (142,098)  
Property held for operating leases, net $ 73,364 $ 86,844