v3.26.1
Cover - shares
3 Months Ended
Mar. 31, 2026
May 07, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Transition Report false  
Entity File Number 001-42897  
Registrant Name ALLIANCE LAUNDRY HOLDINGS INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 98-0444708  
Entity Address, Address Line One 221 Shepard Street  
Entity Address, City or Town Ripon  
Entity Address, State or Province WI  
Entity Address, Postal Zip Code 54971  
City Area Code 920  
Local Phone Number 748-3121  
Title of 12(b) Security Class A common stock, par value $0.01  
Trading Symbol ALH  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   198,608,652
Entity Central Index Key 0001317685  
Amendment Flag false  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2026  
Current Fiscal Year End Date --12-31