Operating Leases (Narrative) (Details) $ in Thousands |
3 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2026
USD ($)
Engine
Aircraft
|
Mar. 31, 2025
USD ($)
Engine
|
Dec. 31, 2025
USD ($)
|
|
| Lessee Lease Description [Line Items] | |||
| Operating lease right-of-use assets, net | $ 780,414 | $ 788,477 | |
| Lease liabilities, net | $ 849,055 | $ 855,899 | |
| Number of aircraft engines | Aircraft | 4 | ||
| Net book value of lease assets | $ 16,700 | ||
| Number of engines sold | Engine | 0 | ||
| Lease income | $ 700 | $ 3,900 | |
| One Aircraft Engine [Member] | |||
| Lessee Lease Description [Line Items] | |||
| Net book value | $ 11,000 | ||
| Minimum [Member] | Office Space and Office Equipment [Member] | |||
| Lessee Lease Description [Line Items] | |||
| Operating leases remaining lease term | 1 year | ||
| Maximum [Member] | Office Space and Office Equipment [Member] | |||
| Lessee Lease Description [Line Items] | |||
| Operating leases remaining lease term | 14 years | ||
| Other Incomes [Member] | One Aircraft Engine [Member] | |||
| Lessee Lease Description [Line Items] | |||
| Number of engines sold | Engine | 1 | ||
| Gain loss on sale of aircraft engines | $ 3,600 | ||