v3.26.1
Document and Entity Information - shares
 3 Months Ended
Mar. 31, 2026
May 05, 2026
Document and Entity Information    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Transition Report false  
Entity File Number 001-40711  
Entity Registrant Name Orange County Bancorp, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 26-1135778  
Entity Address, Address Line One 212 Dolson Avenue  
Entity Address, City or Town Middletown  
Entity Address State Or Province NY  
Entity Address, Postal Zip Code 10940  
City Area Code 845  
Local Phone Number 341-5000  
Title of 12(b) Security Common Stock, par value $0.25 per share  
Trading Symbol OBT  
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 true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   13,407,904
Entity Central Index Key 0001754226  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Amendment Flag false