v3.26.1
SUBORDINATED NOTES - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2006
Nov. 30, 2004
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Jul. 01, 2024
Debt Instrument [Line Items]                
Accretion (amortization) of discounts and premiums, investments         $ 9,318,000 $ 11,949,000    
Subordinated notes                
Debt Instrument [Line Items]                
Amortization of debt issuance costs and discounts     $ 1,600,000   1,600,000      
Subordinated notes | Codorus Valley                
Debt Instrument [Line Items]                
Debt redeemed amount     31,000,000.0   31,000,000.0      
Notes Payable, Other Payables | Subordinated notes                
Debt Instrument [Line Items]                
Subordinated notes payable outstanding     $ 0   $ 0   $ 31,000,000.0  
Codorus Valley Unsecured Subordinated Notes | Subordinated notes                
Debt Instrument [Line Items]                
Fixed rate of interest     4.50%   4.50%   4.50%  
Debt instrument basis spread         4.04%      
Debt instrument interest rate     7.72%   7.72%   8.06%  
Fair value of the debt     $ 28,600,000   $ 28,600,000      
Unamortized discount     2,400,000   2,400,000      
Unearned discount     0   0   $ 1,800,000  
Amortization of debt issuance costs and discounts     $ 1,700,000 $ 90,000 $ 1,800,000 $ 182,000    
Codorus Valley Junior Subordinated Trust Preferred Debt | Subordinated notes | CVB Statutory Trust No. II                
Debt Instrument [Line Items]                
Debt instrument basis spread 0.26161%              
Pooled trust preferred debt issuance $ 7,200,000              
Debt instrument, interest rate, effective percentage 1.54%              
Codorus Valley Junior Subordinated Trust Preferred Debt | Subordinated notes | CVB Statutory Trust No. I                
Debt Instrument [Line Items]                
Debt instrument basis spread   0.26161%            
Pooled trust preferred debt issuance   $ 3,100,000            
Debt instrument, interest rate, effective percentage   2.02%            
Codorus Valley Junior Subordinated Trust Preferred Debt | Junior Subordinated Debt                
Debt Instrument [Line Items]                
Fair value of the debt               $ 7,600,000
Unamortized discount               2,700,000
Debt instrument face amount               $ 10,300,000