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Flight equipment subject to operating lease (Tables)
3 Months Ended
Mar. 31, 2023
Property, Plant and Equipment [Abstract]  
Schedule of Flight Equipment Subject to Operating Lease
The following table summarizes the activities for the Company’s flight equipment subject to operating lease for the three months ended March 31, 2023:

(in thousands)
Net book value as of December 31, 2022$24,538,385 
Purchase of aircraft1,493,650 
Depreciation(259,680)
Sale of aircraft(22,837)
Net book value as of March 31, 2023$25,749,518 
Accumulated depreciation as of March 31, 2023$(5,175,430)