XML 15 R2.htm IDEA: XBRL DOCUMENT v3.25.3
Cover Page Document - $ / shares
9 Months Ended
Sep. 27, 2025
Oct. 31, 2025
Dec. 31, 2024
Document Information [Line Items]      
Document type 10-Q    
Document Quarterly Report true    
Document Transition Report false    
Entity file number 000-11917    
Entity registrant name THE DAVEY TREE EXPERT COMPANY    
Entity current reporting status Yes    
Entity interactive data current Yes    
Entity common stock, shares outstanding   39,445,684  
Common stock, par value per share $ 0.50   $ 0.50
Document period end date Sep. 27, 2025