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Fair Value of Financial Instruments - Schedule of Financial instruments Measured at Fair Value (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value $ 2,048,556 $ 2,043,062
Derivative Asset, Statement of Financial Position [Extensible Enumeration] Other assets Other assets
Derivative Liability, Statement of Financial Position [Extensible Enumeration] Other liabilities Other liabilities
Derivative financial liabilities $ 3,400 $ 302
U.S. Treasury securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 168,095 120,581
Government-sponsored enterprise securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 1,758 9,614
Mortgage-backed securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 1,860,357 1,897,175
Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 0 0
Derivative financial assets 0 0
Presold mortgages in process of settlement 0 0
Derivative financial liabilities 0 0
Individually evaluated loans 0 0
Foreclosed real estate 0  
Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Treasury securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Government-sponsored enterprise securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Mortgage-backed securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate bonds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 0 0
Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 2,046,889 2,040,606
Derivative financial assets 3,418 301
Presold mortgages in process of settlement 7,790 5,942
Derivative financial liabilities 3,445 302
Individually evaluated loans 0 0
Foreclosed real estate 0  
Significant Other Observable Inputs (Level 2) | U.S. Treasury securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 168,095 120,581
Significant Other Observable Inputs (Level 2) | Government-sponsored enterprise securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 1,758 9,614
Significant Other Observable Inputs (Level 2) | Mortgage-backed securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 1,859,690 1,896,469
Significant Other Observable Inputs (Level 2) | Corporate bonds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 17,346 13,942
Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 1,667 2,456
Derivative financial assets 0 0
Presold mortgages in process of settlement 0 0
Derivative financial liabilities 0 0
Individually evaluated loans 9,659 879
Foreclosed real estate 168  
Significant Unobservable Inputs (Level 3) | U.S. Treasury securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 0 0
Significant Unobservable Inputs (Level 3) | Government-sponsored enterprise securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 0 0
Significant Unobservable Inputs (Level 3) | Mortgage-backed securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 667 706
Significant Unobservable Inputs (Level 3) | Corporate bonds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 1,000 1,750
Fair Value    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 2,048,556 2,043,062
Derivative financial assets 3,418 301
Presold mortgages in process of settlement 7,790 5,942
Derivative financial liabilities 3,445 302
Individually evaluated loans 9,659 879
Foreclosed real estate 168  
Fair Value | U.S. Treasury securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 168,095 120,581
Fair Value | Government-sponsored enterprise securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 1,758 9,614
Fair Value | Mortgage-backed securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 1,860,357 1,897,175
Fair Value | Corporate bonds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value $ 18,346 $ 15,692