v3.26.1
Cover Page - shares
6 Months Ended
Jun. 28, 2026
Aug. 03, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 28, 2026  
Document Transition Report false  
Entity File Number 001-39599  
Entity Registrant Name HOLLEY INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 87-1727560  
Entity Address, Address Line One 1A Burton Hills Blvd, Suite 240  
Entity Address, City or Town Nashville  
Entity Address, State or Province TN  
Entity Address, Postal Zip Code 37215  
City Area Code 270  
Local Phone Number 782-2900  
Title of 12(b) Security Common Stock, par value $0.0001  
Trading Symbol HLLY  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   121,234,143
Entity Central Index Key 0001822928  
Current Fiscal Year End Date --12-31  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Document Fiscal Year Focus 2026