v3.25.2
Document and Entity Information - shares
6 Months Ended
Jun. 30, 2025
Jul. 18, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Entity File Number 0-31164  
Entity Registrant Name Preformed Line Products Company  
Entity Incorporation, State or Country Code OH  
Entity Tax Identification Number 34-0676895  
Entity Address, Address Line One 660 Beta Drive  
Entity Address, City or Town Mayfield Village  
Entity Address, State or Province OH  
Entity Address, Postal Zip Code 44143  
City Area Code 440  
Local Phone Number 461‑5200  
Title of 12(b) Security Common Shares, $2 par value per share  
Trading Symbol PLPC  
Security Exchange Name NASDAQ  
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   4,924,854
Entity Central Index Key 0000080035  
Amendment Flag false  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --12-31