v3.26.1
Special Charges - Narrative (Details)
3 Months Ended
Mar. 31, 2026
Aircraft
simulator
Unusual or Infrequent Items, or Both [Abstract]
Number of aircraft retired | Aircraft
16
Number of flight simulators | simulator
2
X
- Definition
Number Of Aircraft Retired
+ References
No definition available.
+ Details
Name:
algt_NumberOfAircraftRetired
Namespace Prefix:
algt_
Data Type:
xbrli:integerItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Number Of Flight Simulators
+ References
No definition available.
+ Details
Name:
algt_NumberOfFlightSimulators
Namespace Prefix:
algt_
Data Type:
xbrli:integerItemType
Balance Type:
na
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_ExtraordinaryAndUnusualItemsAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration