Document and Entity Information
Aug. 21, 2020
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Aug. 21, 2020
Entity Registrant Name MACQUARIE INFRASTRUCTURE CORPORATION
Entity Incorporation, State or Country Code DE
Entity File Number 001-32384
Entity Tax Identification Number 43-2052503
Entity Address, Address Line One 125 West 55th Street
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10019
City Area Code 212
Local Phone Number 231-1000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0001289790
Title of 12(b) Security Common Stock, par value $0.001 per share
Trading Symbol MIC
Security Exchange Name NYSE