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ORANGE COUNTY BANCORP INC., STOCK FUND (Details) - 401(K) Plan - USD ($)
12 Months Ended
Dec. 31, 2024
Dec. 31, 2025
ORANGE COUNTY BANCORP INC., STOCK FUND    
Fair Value of Orange County Bancorp Inc. common stock owned by the ESOP $ 31,262,074 $ 34,272,046
Orange County Bancorp, Inc. Stock Fund    
ORANGE COUNTY BANCORP INC., STOCK FUND    
Fair Value of Orange County Bancorp Inc. common stock owned by the ESOP $ 3,595,095 3,760,136
Number of shares 39,146  
Value per unit $ 91.84  
Fidelity Institutional Money Market Funds    
ORANGE COUNTY BANCORP INC., STOCK FUND    
Fair Value of Orange County Bancorp Inc. common stock owned by the ESOP $ 96,352  
Orange County Bancorp, Inc. Stock    
ORANGE COUNTY BANCORP INC., STOCK FUND    
Fair Value of Orange County Bancorp Inc. common stock owned by the ESOP $ 3,498,743 $ 3,760,136
Number of shares 125,922 131,704