v3.25.2
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2025
Aug. 31, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Amendment Flag false  
Document Period End Date Jun. 30, 2025  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2025  
Current Fiscal Year End Date --12-31  
Document Transition Report false  
Entity File Number 001-42030  
Entity Central Index Key 0002000178  
Entity Registrant Name Loar Holdings Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 82-2665180  
Entity Address, Address Line One 20 New King Street  
Entity Address, City or Town White Plains  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10604  
City Area Code 914  
Local Phone Number 909-1311  
Title of 12(b) Security Common Stock, par value $0.01 per share  
Trading Symbol LOAR  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Small Business false  
Entity Emerging Growth Company true  
Entity Filer Category Non-accelerated Filer  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   93,622,471