v3.26.3
Loans Receivable, Allowance for Credit Losses and Credit Quality - Collateral-Dependent Loans (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2026
USD ($)
customer
Dec. 31, 2025
USD ($)
Loans Receivable, Allowance for Credit Losses and Credit Quality    
Amortized cost of collateral-dependent loans $ 196,177 $ 85,824
Borrowing relationships downgraded to substandard | customer 2  
Residential real estate, portfolio | One to four-family residential    
Loans Receivable, Allowance for Credit Losses and Credit Quality    
Amortized cost of collateral-dependent loans $ 3,145 2,433
Residential real estate, portfolio | Home equity    
Loans Receivable, Allowance for Credit Losses and Credit Quality    
Amortized cost of collateral-dependent loans 1,467 1,338
Residential real estate, portfolio | Commercial real estate | Collateral-Dependent Customer    
Loans Receivable, Allowance for Credit Losses and Credit Quality    
Amortized cost of collateral-dependent loans $ 38,100  
Number of relationships related to change in collateral-dependent loans | customer 1  
Commercial real estate, portfolio | Commercial real estate    
Loans Receivable, Allowance for Credit Losses and Credit Quality    
Amortized cost of collateral-dependent loans $ 72,279 19,057
Commercial, portfolio | Construction and land development    
Loans Receivable, Allowance for Credit Losses and Credit Quality    
Amortized cost of collateral-dependent loans   10
Commercial, portfolio | Commercial and industrial    
Loans Receivable, Allowance for Credit Losses and Credit Quality    
Amortized cost of collateral-dependent loans $ 119,286 $ 62,986
Borrowing relationships downgraded to substandard requiring specific reserve | customer 1  
Specific reserve $ 1,600  
Commercial, portfolio | Commercial and industrial | Collateral-Dependent Customer    
Loans Receivable, Allowance for Credit Losses and Credit Quality    
Amortized cost of collateral-dependent loans $ 71,500  
Number of relationships related to change in collateral-dependent loans | customer 1