v3.26.1
Cover page - shares
6 Months Ended
Jun. 30, 2026
Aug. 04, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Period End Date Jun. 30, 2026  
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 001-41370  
Entity Registrant Name FTAI INFRASTRUCTURE INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 87-4407005  
Entity Address, Address Line One 1345 Avenue of the Americas, 45th Floor  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10105  
City Area Code 212  
Local Phone Number 798-6100  
Title of 12(b) Security Common Stock, par value $0.01 per share  
Trading Symbol FIP  
Security Exchange Name NASDAQ  
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  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   118,181,737
Entity Central Index Key 0001899883  
Document Fiscal Year Focus 2026  
Amendment Flag false  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --12-31