v3.26.1
Fair Value of Financial Instruments - Schedule of Financial instruments Measured at Fair Value (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value $ 1,939,075 $ 2,048,556
U.S. Treasuries    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 165,202 168,095
Government-sponsored enterprise securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 1,761 1,758
Mortgage-backed securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 1,753,884 1,860,357
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring    
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
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring | U.S. Treasuries    
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) | Recurring | 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) | Recurring | 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) | Recurring | Corporate bonds    
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) | Nonrecurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Individually evaluated loans 0 0
Foreclosed properties 0 0
Significant Other Observable Inputs (Level 2) | Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 1,937,423 2,046,889
Derivative financial assets 1,534 3,418
Presold mortgages in process of settlement 12,304 7,790
Derivative financial liabilities 1,560 3,445
Significant Other Observable Inputs (Level 2) | Recurring | U.S. Treasuries    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 165,202 168,095
Significant Other Observable Inputs (Level 2) | Recurring | Government-sponsored enterprise securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 1,761 1,758
Significant Other Observable Inputs (Level 2) | Recurring | Mortgage-backed securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 1,753,232 1,859,690
Significant Other Observable Inputs (Level 2) | Recurring | Corporate bonds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 17,228 17,346
Significant Other Observable Inputs (Level 2) | Nonrecurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Individually evaluated loans 0 0
Foreclosed properties 0 0
Significant Unobservable Inputs (Level 3) | Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 1,652 1,667
Derivative financial assets 0 0
Presold mortgages in process of settlement 0 0
Derivative financial liabilities 0 0
Significant Unobservable Inputs (Level 3) | Recurring | U.S. Treasuries    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 0 0
Significant Unobservable Inputs (Level 3) | Recurring | 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) | Recurring | Mortgage-backed securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 652 667
Significant Unobservable Inputs (Level 3) | Recurring | Corporate bonds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 1,000 1,000
Significant Unobservable Inputs (Level 3) | Nonrecurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Individually evaluated loans 7,522 9,659
Foreclosed properties 97 168
Estimated Fair Value | Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 1,939,075 2,048,556
Derivative financial assets 1,534 3,418
Presold mortgages in process of settlement 12,304 7,790
Derivative financial liabilities 1,560 3,445
Estimated Fair Value | Recurring | U.S. Treasuries    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 165,202 168,095
Estimated Fair Value | Recurring | Government-sponsored enterprise securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 1,761 1,758
Estimated Fair Value | Recurring | Mortgage-backed securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 1,753,884 1,860,357
Estimated Fair Value | Recurring | Corporate bonds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 18,228 18,346
Estimated Fair Value | Nonrecurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Individually evaluated loans 7,522 9,659
Foreclosed properties $ 97 $ 168