Company Background and Overview	9 Months Ended
	Sep. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Company Background and Overview	Company Background and OverviewAir Lease Corporation (the “Company”, “ALC”, “we”, “our” or “us”) is a leading aircraft leasing company that was founded by aircraft leasing industry pioneer, Steven F. Udvar-Házy. The Company is principally engaged in purchasing new commercial jet aircraft directly from manufacturers, such as The Boeing Company (“Boeing”) and Airbus S.A.S. (“Airbus”). The Company leases these aircraft to airlines throughout the world with the intention to generate attractive returns on equity. As of September 30, 2021, the Company owned a fleet of 370 aircraft in its operating lease portfolio, managed 89 aircraft and had 320 aircraft on order with aircraft manufacturers and 24 aircraft purchase options. In addition to its leasing activities, the Company sells aircraft from its operating lease portfolio to third parties, including other leasing companies, financial services companies, airlines and other investors. The Company also provides fleet management services to investors and owners of aircraft portfolios for a management fee.