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Fair Value Measurements - Assets and Liabilities at Fair Values (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value $ 3,164,756 $ 2,768,915
Equity Securities 19,875 19,110
Derivative assets 105,260 179,332
Derivative liabilities 106,445 174,548
Foreclosed assets 2,015 9,473
Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 266,744 330,598
Equity Securities 19,875 19,110
Derivative assets 0 0
Derivative liabilities 0 0
Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 2,898,012 2,438,317
Equity Securities 0 0
Derivative assets 105,734 188,940
Derivative liabilities 108,102 172,601
Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
Equity Securities 0 0
Derivative assets 0 0
Derivative liabilities 0 0
Measured on a recurring basis:    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 3,164,756 2,768,915
Equity Securities 19,875 19,110
Derivative assets 105,734 188,940
Assets, fair value disclosure 3,290,365 2,976,965
Derivative liabilities 108,102 172,601
Measured on a recurring basis: | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 266,744 330,598
Equity Securities 19,875 19,110
Derivative assets 0 0
Assets, fair value disclosure 286,619 349,708
Derivative liabilities 0 0
Measured on a recurring basis: | Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 2,898,012 2,438,317
Equity Securities 0 0
Derivative assets 105,734 188,940
Assets, fair value disclosure 3,003,746 2,627,257
Derivative liabilities 108,102 172,601
Measured on a recurring basis: | Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
Equity Securities 0 0
Derivative assets 0 0
Assets, fair value disclosure 0 0
Derivative liabilities 0 0
Measured on a non-recurring basis:    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value disclosure 56,521 20,496
Loans measured for impairment based on the fair value of the underlying collateral 54,506 11,023
Foreclosed assets 2,015 9,473
Measured on a non-recurring basis: | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
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, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
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, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value disclosure 56,521 20,496
Loans measured for impairment based on the fair value of the underlying collateral 54,506 11,023
Foreclosed assets 2,015 9,473
U.S. Treasury obligations    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 266,744 330,598
U.S. Treasury obligations | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 266,744 330,598
U.S. Treasury obligations | Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
U.S. Treasury obligations | Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
U.S. Treasury obligations | Measured on a recurring basis:    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 266,744 330,598
U.S. Treasury obligations | Measured on a recurring basis: | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 266,744 330,598
U.S. Treasury obligations | Measured on a recurring basis: | Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
U.S. Treasury obligations | Measured on a recurring basis: | Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
Government-agency obligations    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 33,539 107,235
Government-agency obligations | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
Government-agency obligations | Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 33,539 107,235
Government-agency obligations | Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
Government-agency obligations | Measured on a recurring basis:    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 33,539 107,235
Government-agency obligations | Measured on a recurring basis: | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
Government-agency obligations | Measured on a recurring basis: | Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 33,539 107,235
Government-agency obligations | Measured on a recurring basis: | Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
Mortgage-backed securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 2,612,347 2,062,159
Mortgage-backed securities | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
Mortgage-backed securities | Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 2,612,347 2,062,159
Mortgage-backed securities | Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
Mortgage-backed securities | Measured on a recurring basis:    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 2,612,347 2,062,159
Mortgage-backed securities | Measured on a recurring basis: | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
Mortgage-backed securities | Measured on a recurring basis: | Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 2,612,347 2,062,159
Mortgage-backed securities | Measured on a recurring basis: | Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
Asset-backed securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 41,761 47,563
Asset-backed securities | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
Asset-backed securities | Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 41,761 47,563
Asset-backed securities | Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
Asset-backed securities | Measured on a recurring basis:    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 41,761 47,563
Asset-backed securities | Measured on a recurring basis: | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
Asset-backed securities | Measured on a recurring basis: | Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 41,761 47,563
Asset-backed securities | Measured on a recurring basis: | Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
State and municipal obligations    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 112,999 116,917
State and municipal obligations | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
State and municipal obligations | Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 112,999 116,917
State and municipal obligations | Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
State and municipal obligations | Measured on a recurring basis:    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 112,999 116,917
State and municipal obligations | Measured on a recurring basis: | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
State and municipal obligations | Measured on a recurring basis: | Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 112,999 116,917
State and municipal obligations | Measured on a recurring basis: | Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
Corporate obligations    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 97,366 104,443
Corporate obligations | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
Corporate obligations | Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 97,366 104,443
Corporate obligations | Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
Corporate obligations | Measured on a recurring basis:    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 97,366 104,443
Corporate obligations | Measured on a recurring basis: | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 0 0
Corporate obligations | Measured on a recurring basis: | Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value 97,366 104,443
Corporate obligations | Measured on a recurring basis: | Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale debt securities, at fair value $ 0 $ 0