Fair Value Measurements - Schedule of Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Assets
Interest-bearing deposits with other banks	$ 684,001	$ 619,017
Investment securities held-to-maturity	774,947	820,382
Federal Reserve and Federal Home Loan Bank stock	28,327	51,763
Bank owned life insurance	335,177	115,806
Liabilities
Interest-bearing deposits	1,038,154	1,211,791
Customer repurchase agreements	0	33,157
Carrying Value
Assets
Cash and due from banks	11,692	14,463
Interest-bearing deposits with other banks	684,001	619,017
Investment securities available-for-sale	976,770	1,267,404
Investment securities held-to-maturity	854,780	938,647
Federal Reserve and Federal Home Loan Bank stock	28,327	51,763
Loans held for sale	90,650
Loans held for investment	7,280,459	7,934,888
Bank owned life insurance	335,177	115,806
Annuity investment	12,061	12,656
Accrued interest receivable	41,373	49,479
Liabilities
Noninterest-bearing deposits	1,433,952	1,544,403
Interest-bearing deposits	4,662,967	4,811,012
Time deposits	3,036,687	2,775,663
Customer repurchase agreements		33,157
Other short-term borrowings		490,000
Long-term borrowings	76,428	76,108
Accrued interest payable	10,798	17,844
Carrying Value | Interest rate swaps related to customer loans
Assets
Interest rate product	24,332	31,592
Liabilities
Interest rate product	23,942	29,110
Fair Value
Assets
Cash and due from banks	11,692	14,463
Interest-bearing deposits with other banks	684,001	619,017
Investment securities available-for-sale	976,770	1,267,404
Investment securities held-to-maturity	774,947	820,382
Loans held for sale	90,650
Loans held for investment	7,093,276	7,707,424
Bank owned life insurance	335,177	115,806
Annuity investment	12,061	12,656
Accrued interest receivable	41,373	49,479
Liabilities
Noninterest-bearing deposits	1,433,952	1,544,403
Interest-bearing deposits	4,662,967	4,811,012
Time deposits	3,050,951	2,785,891
Customer repurchase agreements		33,157
Other short-term borrowings		490,000
Long-term borrowings	80,329	82,916
Accrued interest payable	10,798	17,844
Fair Value | Interest rate swaps related to customer loans
Assets
Interest rate product	24,332	31,592
Liabilities
Interest rate product	23,942	29,110
Fair Value | Quoted Prices  (Level 1)
Assets
Cash and due from banks	11,692	11,882
Fair Value | Significant Other Observable Inputs  (Level 2)
Assets
Cash and due from banks		2,581
Interest-bearing deposits with other banks	684,001	619,017
Investment securities available-for-sale	976,770	1,267,404
Investment securities held-to-maturity	774,947	820,382
Bank owned life insurance	335,177	115,806
Annuity investment	12,061	12,656
Accrued interest receivable	41,373	49,479
Liabilities
Noninterest-bearing deposits	1,433,952	1,544,403
Interest-bearing deposits	4,662,967	4,811,012
Time deposits	3,050,951	2,785,891
Customer repurchase agreements		33,157
Other short-term borrowings		490,000
Long-term borrowings	80,329	82,916
Accrued interest payable	10,798	17,844
Fair Value | Significant Other Observable Inputs  (Level 2) | Interest rate swaps related to customer loans
Assets
Interest rate product	24,332	31,592
Liabilities
Interest rate product	23,942	29,110
Fair Value | Significant Other  Unobservable Inputs  (Level 3)
Assets
Loans held for sale	90,650
Loans held for investment	$ 7,093,276	$ 7,707,424