Loans - Summary of the Company's Loan Portfolio by Loan Class (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans before allowance for loan losses	$ 6,171,637	$ 6,082,011
Real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans before allowance for loan losses	5,339,365	5,260,022
Real estate | Residential properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans before allowance for loan losses	1,617,519	1,551,777
Real estate | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans before allowance for loan losses	687,695	731,449
Real estate | Farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans before allowance for loan losses	312,038	309,840
Real estate | Other commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans before allowance for loan losses	2,722,113	2,666,956
Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans before allowance for loan losses	617,730	631,528
Commercial and industrial loans | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans before allowance for loan losses	687,695	731,449
Commercial and industrial loans | Other commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans before allowance for loan losses	2,722,113	2,666,956
Agricultural production and other loans to farmers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans before allowance for loan losses	111,422	91,976
Agricultural production and other loans to farmers | Farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans before allowance for loan losses	312,038	309,840
Consumer and other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans before allowance for loan losses	$ 103,120	$ 98,485