v3.26.3
Fair Value of Financial Instruments - Schedule of Balances and Levels of Assets Measured at Fair Value on Recurring Basis (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Financial assets:    
AFS debt securities: $ 1,538,130 $ 1,459,579
Equity securities, at fair value 5,759 155
Mortgage-backed securities - residential    
Financial assets:    
AFS debt securities: 568,520 602,320
Mortgage-backed securities - commercial    
Financial assets:    
AFS debt securities: 18,644 10,678
Municipal securities    
Financial assets:    
AFS debt securities: 152,325 168,370
U.S. Treasury securities    
Financial assets:    
AFS debt securities: 6,964 7,125
Corporate securities    
Financial assets:    
AFS debt securities: 1,690 998
Recurring Basis    
Financial assets:    
Equity securities, at fair value 5,759 155
Total securities 1,543,889 1,459,734
Loans held for sale, at fair value 225,935 172,974
Mortgage servicing rights 150,873 148,795
Derivatives 35,686 24,316
Financial liabilities:    
Derivatives 31,838 23,509
Recurring Basis | U.S. government agency securities    
Financial assets:    
AFS debt securities: 789,987 670,088
Recurring Basis | Mortgage-backed securities - residential    
Financial assets:    
AFS debt securities: 568,520 602,320
Recurring Basis | Mortgage-backed securities - commercial    
Financial assets:    
AFS debt securities: 18,644 10,678
Recurring Basis | Municipal securities    
Financial assets:    
AFS debt securities: 152,325 168,370
Recurring Basis | U.S. Treasury securities    
Financial assets:    
AFS debt securities: 6,964 7,125
Recurring Basis | Corporate securities    
Financial assets:    
AFS debt securities: 1,690 998
Recurring Basis | Quoted prices in active markets for identical assets (liabilities) (level 1)    
Financial assets:    
Equity securities, at fair value 5,759 0
Total securities 5,759 0
Loans held for sale, at fair value 0 0
Mortgage servicing rights 0 0
Derivatives 0 0
Financial liabilities:    
Derivatives 0 0
Recurring Basis | Quoted prices in active markets for identical assets (liabilities) (level 1) | U.S. government agency securities    
Financial assets:    
AFS debt securities: 0 0
Recurring Basis | Quoted prices in active markets for identical assets (liabilities) (level 1) | Mortgage-backed securities - residential    
Financial assets:    
AFS debt securities: 0 0
Recurring Basis | Quoted prices in active markets for identical assets (liabilities) (level 1) | Mortgage-backed securities - commercial    
Financial assets:    
AFS debt securities: 0 0
Recurring Basis | Quoted prices in active markets for identical assets (liabilities) (level 1) | Municipal securities    
Financial assets:    
AFS debt securities: 0 0
Recurring Basis | Quoted prices in active markets for identical assets (liabilities) (level 1) | U.S. Treasury securities    
Financial assets:    
AFS debt securities: 0 0
Recurring Basis | Quoted prices in active markets for identical assets (liabilities) (level 1) | Corporate securities    
Financial assets:    
AFS debt securities: 0 0
Recurring Basis | Significant other observable inputs (level 2)    
Financial assets:    
Equity securities, at fair value 0 155
Total securities 1,538,130 1,459,734
Loans held for sale, at fair value 225,935 172,974
Mortgage servicing rights 0 0
Derivatives 35,686 24,316
Financial liabilities:    
Derivatives 31,838 23,509
Recurring Basis | Significant other observable inputs (level 2) | U.S. government agency securities    
Financial assets:    
AFS debt securities: 789,987 670,088
Recurring Basis | Significant other observable inputs (level 2) | Mortgage-backed securities - residential    
Financial assets:    
AFS debt securities: 568,520 602,320
Recurring Basis | Significant other observable inputs (level 2) | Mortgage-backed securities - commercial    
Financial assets:    
AFS debt securities: 18,644 10,678
Recurring Basis | Significant other observable inputs (level 2) | Municipal securities    
Financial assets:    
AFS debt securities: 152,325 168,370
Recurring Basis | Significant other observable inputs (level 2) | U.S. Treasury securities    
Financial assets:    
AFS debt securities: 6,964 7,125
Recurring Basis | Significant other observable inputs (level 2) | Corporate securities    
Financial assets:    
AFS debt securities: 1,690 998
Recurring Basis | Significant unobservable inputs (level 3)    
Financial assets:    
Equity securities, at fair value 0 0
Total securities 0 0
Loans held for sale, at fair value 0 0
Mortgage servicing rights 150,873 148,795
Derivatives 0 0
Financial liabilities:    
Derivatives 0 0
Recurring Basis | Significant unobservable inputs (level 3) | U.S. government agency securities    
Financial assets:    
AFS debt securities: 0 0
Recurring Basis | Significant unobservable inputs (level 3) | Mortgage-backed securities - residential    
Financial assets:    
AFS debt securities: 0 0
Recurring Basis | Significant unobservable inputs (level 3) | Mortgage-backed securities - commercial    
Financial assets:    
AFS debt securities: 0 0
Recurring Basis | Significant unobservable inputs (level 3) | Municipal securities    
Financial assets:    
AFS debt securities: 0 0
Recurring Basis | Significant unobservable inputs (level 3) | U.S. Treasury securities    
Financial assets:    
AFS debt securities: 0 0
Recurring Basis | Significant unobservable inputs (level 3) | Corporate securities    
Financial assets:    
AFS debt securities: $ 0 $ 0