v3.26.1
COMMITMENTS AND CONTINGENT LIABILITIES - Legal Proceeding and Other Contingent Liabilities (Details) - USD ($)
3 Months Ended 6 Months Ended
Apr. 13, 2023
Jan. 20, 2022
Aug. 31, 2020
Feb. 04, 2020
Oct. 31, 2019
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
May 14, 2021
COMMITMENTS AND CONTINGENT LIABILITIES                    
Net litigation-related expense           $ 2,900,000 $ 0 $ 3,300,000 $ 0  
Reversal of previously recognized litigation-related accrued liability               4,500,000    
Bank's Interest in cash and securities forfeited by Michael Mann, in which Bank filed petition to adjudicate the validity of the security interest in the forfeited property                   $ 14,900,000
Southwestern third amended complaint                    
COMMITMENTS AND CONTINGENT LIABILITIES                    
Complaint, damages sought by plaintiff         $ 39,000,000          
Complaint, minimum damages sought by defendant         $ 13,000,000          
Natpay amended complaint                    
COMMITMENTS AND CONTINGENT LIABILITIES                    
Complaint, damages sought by plaintiff $ 11,400,000                  
Complaint, minimum damages sought by defendant $ 3,800,000                  
Cachet financial services amended complaint                    
COMMITMENTS AND CONTINGENT LIABILITIES                    
Complaint, damages sought by plaintiff   $ 8,500,000                
Chemung canal trust company complaint                    
COMMITMENTS AND CONTINGENT LIABILITIES                    
Complaint, minimum damages sought by defendant       $ 4,600,000            
AXH complaint                    
COMMITMENTS AND CONTINGENT LIABILITIES                    
Complaint, minimum damages sought by defendant     $ 336,000              
Minimum                    
COMMITMENTS AND CONTINGENT LIABILITIES                    
Loss contingency, estimate of possible loss           0   0    
Maximum                    
COMMITMENTS AND CONTINGENT LIABILITIES                    
Loss contingency, estimate of possible loss           $ 18,100,000   $ 18,100,000