v3.25.2
Cover - shares
 6 Months Ended
Jun. 28, 2025
Jul. 30, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 28, 2025  
Document Transition Report false  
Entity File Number 001-35849  
Entity Registrant Name NV5 Global, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 45-3458017  
Entity Address, Address Line One 200 South Park Road,  
Entity Address, Address Line Two Suite 350  
Entity Address, City or Town Hollywood,  
Entity Address, State or Province FL  
Entity Address, Postal Zip Code 33021  
City Area Code 954  
Local Phone Number 495-2112  
Title of 12(b) Security Common Stock, $0.01 par value  
Trading Symbol NVEE  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   67,037,647
Entity Central Index Key 0001532961  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Current Fiscal Year End Date --01-03