v3.26.1
Cover Page - shares
6 Months Ended
Jun. 30, 2026
Jul. 23, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Entity File Number 001-38348  
Entity Registrant Name RANPAK HOLDINGS CORP.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 98-1377160  
Entity Address, Address Line One 7990 Auburn Road  
Entity Address, City or Town Concord Township  
Entity Address, State or Province OH  
Entity Address, Postal Zip Code 44077  
City Area Code 440  
Local Phone Number 354-4445  
Title of 12(b) Security Class A Common Stock, par value $0.0001 per share  
Trading Symbol PACK  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   85,758,289
Entity Central Index Key 0001712463  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Amendment flag false