v3.26.1
Document and Entity Information Document - shares
6 Months Ended
Jul. 04, 2026
Aug. 07, 2026
Entity Information [Line Items]    
Entity registrant name THE DAVEY TREE EXPERT COMPANY  
Entity central index key 0000277638  
Current fiscal year end date --12-31  
Entity filer category Non-accelerated Filer  
Document type 10-Q  
Document fiscal year focus 2026  
Document fiscal period focus Q2  
Amendment flag false  
Entity common stock, shares outstanding   38,785,327
Document Quarterly Report true  
Document Transition Report false  
Entity current reporting status Yes  
Entity shell company false  
Entity small business false