Operating Leases - Airport Facilities (Details)	6 Months Ended
Jun. 30, 2023 airport
Lessee, Lease, Description [Line Items]
Number of airports served	90
Minimum \| Airport Facility
Lessee, Lease, Description [Line Items]
Remaining lease terms	1 month
Maximum \| Airport Facility
Lessee, Lease, Description [Line Items]
Remaining lease terms	12 years

Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-3

Name:	us-gaap_LesseeOperatingLeaseRemainingLeaseTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant