v3.26.1
Cover Page Document - $ / shares
6 Months Ended
Jul. 04, 2026
Aug. 07, 2026
Dec. 31, 2025
Document Information [Line Items]      
Document type 10-Q    
Document period end date Jul. 04, 2026    
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   38,785,327  
Common stock, par value per share $ 0.50   $ 0.50