v3.26.3
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of of Cash and Noncash Related Activities (Details) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Accounting Policies [Abstract]    
Cost of modules and parts sold sourced from engines originally within leasing equipment $ 11,262 $ 22,429
Transfers of engines from leasing equipment to inventory for manufacturing and sale 107,658 219,732
Transfers of inventory to leasing equipment for rebuilding and sale of engines (235,244) (228,691)
Total outflows related to manufacturing modules and parts - included in net cash used in operating activities (964,904) (478,642)
Cash received for assets sold sourced from leasing equipment - inflow included in net cash used in operating activities 23,619 54,853
Cash received for sales of leasing equipment that include components sourced from inventory - inflow included in net cash provided by investing activities 795,322 635,865
Cash paid for engine and aircraft inventory - outflow included in net cash used in operating activities $ (728,205) $ (127,260)