v3.25.2
Fair Value of Financial Instruments - Schedule of Estimated Fair Values and Carrying Values of Financial Instruments (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Financial assets:    
Net loans held for investment $ 9,725,334 $ 9,450,442
Interest receivable $ 50,386 $ 49,611
Derivative Asset, Statement of Financial Position [Extensible Enumeration] Other assets Other assets
Financial liabilities:    
Derivative Liability, Statement of Financial Position [Extensible Enumeration] Accrued expenses and other liabilities Accrued expenses and other liabilities
Carrying amount    
Financial assets:    
Cash and cash equivalents $ 1,165,729 $ 1,042,488
Investment securities 1,337,565 1,538,008
Net loans held for investment 9,725,334 9,450,442
Loans held for sale, at fair value 123,235 95,403
Interest receivable 50,386 49,611
Mortgage servicing rights 153,464 162,038
Derivatives 27,566 29,951
Financial liabilities:    
Without stated maturities 9,163,006 9,361,140
With stated maturities 2,240,464 1,849,294
Securities sold under agreements to repurchase and federal funds purchased 11,431 13,499
Subordinated debt, net 130,898 130,704
Interest payable 21,891 24,182
Derivatives 23,832 32,383
 Fair Value    
Financial assets:    
Cash and cash equivalents 1,165,729 1,042,488
Investment securities 1,337,565 1,538,008
Net loans held for investment 9,555,265 9,221,311
Loans held for sale, at fair value 123,235 95,403
Interest receivable 50,386 49,611
Mortgage servicing rights 153,464 162,038
Derivatives 27,566 29,951
Financial liabilities:    
Without stated maturities 9,163,006 9,361,140
With stated maturities 2,235,505 1,846,989
Securities sold under agreements to repurchase and federal funds purchased 11,431 13,499
Subordinated debt, net 128,021 126,684
Interest payable 21,891 24,182
Derivatives 23,832 32,383
 Fair Value | Level 1    
Financial assets:    
Cash and cash equivalents 1,165,729 1,042,488
Investment securities 0 0
Net loans held for investment 0 0
Loans held for sale, at fair value 0 0
Interest receivable 304 629
Mortgage servicing rights 0 0
Derivatives 0 0
Financial liabilities:    
Without stated maturities 9,163,006 9,361,140
With stated maturities 0 0
Securities sold under agreements to repurchase and federal funds purchased 11,431 13,499
Subordinated debt, net 0 0
Interest payable 3,785 3,759
Derivatives 0 0
 Fair Value | Level 2    
Financial assets:    
Cash and cash equivalents 0 0
Investment securities 1,337,565 1,538,008
Net loans held for investment 0 0
Loans held for sale, at fair value 123,235 95,403
Interest receivable 7,325 8,012
Mortgage servicing rights 0 0
Derivatives 27,566 29,951
Financial liabilities:    
Without stated maturities 0 0
With stated maturities 2,235,505 1,846,989
Securities sold under agreements to repurchase and federal funds purchased 0 0
Subordinated debt, net 0 0
Interest payable 16,606 18,923
Derivatives 23,832 32,383
 Fair Value | Level 3    
Financial assets:    
Cash and cash equivalents 0 0
Investment securities 0 0
Net loans held for investment 9,555,265 9,221,311
Loans held for sale, at fair value 0 0
Interest receivable 42,757 40,970
Mortgage servicing rights 153,464 162,038
Derivatives 0 0
Financial liabilities:    
Without stated maturities 0 0
With stated maturities 0 0
Securities sold under agreements to repurchase and federal funds purchased 0 0
Subordinated debt, net 128,021 126,684
Interest payable 1,500 1,500
Derivatives $ 0 $ 0