Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Aircraft [Abstract]
Aircraft	$ 269,291	$ 262,013
Less: Accumulated depreciation	(54,100)	(48,607)
Aircraft, net	215,191	213,406
Other [Abstract]
Finance lease right-of-use asset	132	117
Less: Accumulated depreciation	(4,418)	(3,873)
Leasehold improvements and equipment, net	5,486	5,408
Total property, plant and equipment, net	220,677	218,814
Construction in progress
Other [Abstract]
Property, plant and equipment, gross	52	0
Vehicles and equipment
Other [Abstract]
Property, plant and equipment, gross	7,597	7,049
Buildings
Other [Abstract]
Property, plant and equipment, gross	1,165	1,200
Leasehold improvements
Other [Abstract]
Property, plant and equipment, gross	684	645
Licenses
Other [Abstract]
Property, plant and equipment, gross	235	235
Capitalized software and development costs
Other [Abstract]
Property, plant and equipment, gross	$ 39	$ 35

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Buildings and equipment net.

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Other

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Amount, before accumulated amortization, of right-of-use asset from finance lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 45
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-Topic 842
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Amount of accumulated depreciation from long-lived, depreciable flight asset owned and right-of-use asset from finance lease.

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Amount, before accumulated depreciation, of long-lived, depreciable flight asset owned and right-of-use asset from finance lease.

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Amount, after accumulated depreciation, of long-lived, depreciable flight asset owned and right-of-use asset from finance lease.

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Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
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Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount, before accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 360
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