v3.25.4
COMMITMENTS, CONTINGENCIES AND OFF BALANCE SHEET RISK - Narrative (Details) - USD ($)
12 Months Ended
Jan. 01, 2023
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Purchase Commitment, Excluding Long-term Commitment [Line Items]        
Provision for credit losses related to off balance sheet credit commitments expense (recovery)   $ (1,400,000) $ (50,000.0) $ (61,100)
Reserve for credit risk inherent in off balance sheet credit commitments   2,800,000 4,100,000  
Equity method investments   7,979,000 8,482,000  
Clean Energy LLC        
Purchase Commitment, Excluding Long-term Commitment [Line Items]        
Remaining commitment   5,600,000    
Equity method investments   2,400,000    
Standby letters of credit        
Purchase Commitment, Excluding Long-term Commitment [Line Items]        
Other commitment   300,000 300,000  
Commitments to extend credit        
Purchase Commitment, Excluding Long-term Commitment [Line Items]        
Other commitment   70,000,000.0 $ 70,000,000.0  
Property Assessed Clean Energy Commitments | Pace Funding Group LLC        
Purchase Commitment, Excluding Long-term Commitment [Line Items]        
Remaining commitment   139,500,000    
Property Assessed Clean Energy Commitments | Allectrify PBC        
Purchase Commitment, Excluding Long-term Commitment [Line Items]        
Remaining commitment   $ 100,000,000.0    
Adoption of ASU No. 2016-13        
Purchase Commitment, Excluding Long-term Commitment [Line Items]        
Provision for credit losses related to off balance sheet credit commitments expense (recovery) $ 2,700,000      
Reserve for credit risk inherent in off balance sheet credit commitments $ 2,705,000