v3.25.2
Fair Value Measurements - Assets and Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities $ 3,019,796 $ 2,768,915
Equity securities 19,410 19,110
Derivative assets 123,843 179,332
Derivative liabilities 123,580 174,548
Foreclosed assets 963 9,473
Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 319,445 330,598
Equity securities 19,410 19,110
Derivative assets 0 0
Derivative liabilities 0 0
Significant Other Observable  Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 2,700,351 2,438,317
Equity securities 0 0
Derivative assets 122,776 188,940
Derivative liabilities 124,183 172,601
Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Equity securities 0 0
Derivative assets 0 0
Derivative liabilities 0 0
U.S. Treasury obligations    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 319,445 330,598
U.S. Treasury obligations | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 319,445 330,598
U.S. Treasury obligations | Significant Other Observable  Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
U.S. Treasury obligations | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Government-agency obligations    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 40,561 107,235
Government-agency obligations | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Government-agency obligations | Significant Other Observable  Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 40,561 107,235
Government-agency obligations | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Mortgage-backed securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 2,409,525 2,062,159
Mortgage-backed securities | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Mortgage-backed securities | Significant Other Observable  Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 2,409,525 2,062,159
Mortgage-backed securities | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Asset-backed securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 44,931 47,563
Asset-backed securities | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Asset-backed securities | Significant Other Observable  Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 44,931 47,563
Asset-backed securities | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
State and municipal obligations    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 109,595 116,917
State and municipal obligations | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
State and municipal obligations | Significant Other Observable  Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 109,595 116,917
State and municipal obligations | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Corporate obligations    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 95,739 104,443
Corporate obligations | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Corporate obligations | Significant Other Observable  Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 95,739 104,443
Corporate obligations | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Measured on a Recurring Basis    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 3,019,796 2,768,915
Equity securities 19,410 19,110
Derivative assets 122,776 188,940
Total assets, fair value disclosure 3,161,982 2,976,965
Derivative liabilities 124,183 172,601
Measured on a Recurring Basis | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 319,445 330,598
Equity securities 19,410 19,110
Derivative assets 0 0
Total assets, fair value disclosure 338,855 349,708
Derivative liabilities 0 0
Measured on a Recurring Basis | Significant Other Observable  Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 2,700,351 2,438,317
Equity securities 0 0
Derivative assets 122,776 188,940
Total assets, fair value disclosure 2,823,127 2,627,257
Derivative liabilities 124,183 172,601
Measured on a Recurring Basis | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Equity securities 0 0
Derivative assets 0 0
Total assets, fair value disclosure 0 0
Derivative liabilities 0 0
Measured on a Recurring Basis | U.S. Treasury obligations    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 319,445 330,598
Measured on a Recurring Basis | U.S. Treasury obligations | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 319,445 330,598
Measured on a Recurring Basis | U.S. Treasury obligations | Significant Other Observable  Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Measured on a Recurring Basis | U.S. Treasury obligations | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Measured on a Recurring Basis | Government-agency obligations    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 40,561 107,235
Measured on a Recurring Basis | Government-agency obligations | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Measured on a Recurring Basis | Government-agency obligations | Significant Other Observable  Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 40,561 107,235
Measured on a Recurring Basis | Government-agency obligations | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Measured on a Recurring Basis | Mortgage-backed securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 2,409,525 2,062,159
Measured on a Recurring Basis | Mortgage-backed securities | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Measured on a Recurring Basis | Mortgage-backed securities | Significant Other Observable  Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 2,409,525 2,062,159
Measured on a Recurring Basis | Mortgage-backed securities | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Measured on a Recurring Basis | Asset-backed securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 44,931 47,563
Measured on a Recurring Basis | Asset-backed securities | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Measured on a Recurring Basis | Asset-backed securities | Significant Other Observable  Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 44,931 47,563
Measured on a Recurring Basis | Asset-backed securities | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Measured on a Recurring Basis | State and municipal obligations    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 109,595 116,917
Measured on a Recurring Basis | State and municipal obligations | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Measured on a Recurring Basis | State and municipal obligations | Significant Other Observable  Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 109,595 116,917
Measured on a Recurring Basis | State and municipal obligations | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Measured on a Recurring Basis | Corporate obligations    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 95,739 104,443
Measured on a Recurring Basis | Corporate obligations | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Measured on a Recurring Basis | Corporate obligations | Significant Other Observable  Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 95,739 104,443
Measured on a Recurring Basis | Corporate obligations | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total available for sale debt securities 0 0
Measured on a Non-Recurring Basis    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total assets, fair value disclosure 80,587 20,496
Loans measured for impairment based on the fair value of the underlying collateral 79,624 11,023
Foreclosed assets 963 9,473
Measured on a Non-Recurring Basis | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total assets, fair value disclosure 0 0
Loans measured for impairment based on the fair value of the underlying collateral 0 0
Foreclosed assets 0 0
Measured on a Non-Recurring Basis | Significant Other Observable  Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total assets, fair value disclosure 0 0
Loans measured for impairment based on the fair value of the underlying collateral 0 0
Foreclosed assets 0 0
Measured on a Non-Recurring Basis | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total assets, fair value disclosure 80,587 20,496
Loans measured for impairment based on the fair value of the underlying collateral 79,624 11,023
Foreclosed assets $ 963 $ 9,473