Leases, Commitments, Guarantees and Contingencies (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2025 USD ($) aircraft	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	$ 83,726		$ 87,731
Noncurrent operating leases	63,347		$ 67,264
Operating leases	$ 8,300
Weighted-average remaining lease term for operating leases	11 years
Weighted-average discount rate for operating leases	6.20%
Lease costs
Operating lease cost	$ 8,250	$ 7,259
Variable and short-term lease cost	489	1,033
Sublease income	(1,115)	(1,246)
Total lease cost	$ 7,624	$ 7,046
Aircraft
Lessee, Lease, Description [Line Items]
Number of aircraft acquired | aircraft	8
Aircraft | Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	4 years
Aircraft | Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	5 years
Airport Facilities | Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	1 month
Airport Facilities | Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	31 years