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Summary of significant accounting policies - Pending Merger (Details) - Pending Merger with FNCB Bancorp, Inc.
Jun. 28, 2024
USD ($)
$ / shares
Sep. 27, 2023
Business Acquisition    
Fixed exchange ratio   0.1460
Common stock shares | $ $ 2,935,456  
Share price (in dollars per share) | $ / shares $ 45.54