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Cover Page - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2024
Feb. 11, 2025
Jun. 28, 2024
Entity Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-35121    
Entity Registrant Name AIR LEASE CORPORATION    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 27-1840403    
Entity Address, Address Line One 2000 Avenue of the Stars,    
Entity Address, Address Line Two Suite 1000N    
Entity Address, City or Town Los Angeles,    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 90067    
City Area Code 310    
Local Phone Number 553-0555    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction Flag false    
Entity Shell Company false    
Entity Public Float     $ 5.0
Entity Common Stock, Shares Outstanding   111,376,884  
Documents Incorporated by Reference
DOCUMENTS INCORPORATED BY REFERENCE
Designated portions of the Proxy Statement relating to registrant’s 2025 Annual Meeting of Shareholders, which will be filed with the Securities and Exchange Commission within 120 days after the end of the 2024 fiscal year, are incorporated by reference into Part III of this Report. 		   
Entity Central Index Key 0001487712    
Amendment Flag false    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Class A Common Stock      
Entity Information [Line Items]      
Title of 12(b) Security Class A Common Stock    
Trading Symbol AL    
Security Exchange Name NYSE    
3.700% Medium-Term Notes, Series A, due April 15, 2030      
Entity Information [Line Items]      
Title of 12(b) Security 3.700% Medium-Term Notes, Series A, due April 15, 2030    
Trading Symbol AL30    
Security Exchange Name NYSE