Loans - Summary of the Company's Loan Portfolio by Loan Class (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before allowance for credit losses	$ 6,304,125	$ 6,291,533
Real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before allowance for credit losses	5,317,331	5,345,747
Real estate \| Residential properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before allowance for credit losses	1,746,754	1,748,571
Real estate \| Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before allowance for credit losses	461,366	452,044
Real estate \| Farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before allowance for credit losses	332,937	339,528
Real estate \| Other commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before allowance for credit losses	2,776,274	2,805,604
Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before allowance for credit losses	776,829	721,855
Commercial and industrial loans \| Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before allowance for credit losses	461,366	452,044
Commercial and industrial loans \| Other commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before allowance for credit losses	2,776,274	2,805,604
Agricultural production and other loans to farmers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before allowance for credit losses	99,362	112,345
Agricultural production and other loans to farmers \| Farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before allowance for credit losses	332,937	339,528
Consumer and other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before allowance for credit losses	$ 110,603	$ 111,586