v3.26.3
BORROWING ARRANGEMENTS - Narrative (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Other Financial Institutions    
Debt Instrument, Redemption [Line Items]    
Secured borrowing capacity $ 97,000  
FHLB, Advances, Term    
Debt Instrument, Redemption [Line Items]    
Amount 20,000  
FHLB, Advances, Putable Option    
Debt Instrument, Redemption [Line Items]    
Amount 160,000  
FHLB, Advances    
Debt Instrument, Redemption [Line Items]    
Amount $ 180,000  
Weighted average rate (as a percent) 3.94%  
FHLB, Overnight Advances    
Debt Instrument, Redemption [Line Items]    
Amount $ 0  
FHLB, Secure Advances    
Debt Instrument, Redemption [Line Items]    
Secured borrowing capacity 1,600,000  
Remaining secured borrowing capacity 1,400,000  
FHLB, Secure Advances | Asset Pledged as Collateral    
Debt Instrument, Redemption [Line Items]    
Financing receivable, before allowance for credit loss 2,100,000 $ 1,900,000
FRB Secured Line of Credit    
Debt Instrument, Redemption [Line Items]    
Secured borrowing capacity 68,500  
FRB Secured Line of Credit | Asset Pledged as Collateral    
Debt Instrument, Redemption [Line Items]    
Financing receivable, before allowance for credit loss $ 86,000