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Loans and Allowance for Credit Losses - Summary of Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	$ 5,710,312	$ 5,633,562
Less: Loans held for sale	6,614	4,980
Loans and leases receivable gross excluding loans held for sale	5,703,698	5,628,582
Net deferred loan fees, premiums and discounts	37,850	52,997
Allowance for credit losses	70,182	68,675	$ 59,093	$ 54,655
Net loans	5,595,666	5,506,910
Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	3,906,596	3,886,972
Construction and Land Development | Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	236,258	207,033
Allowance for credit losses	3,275	2,918	2,250	1,743
Agricultural | Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	391,436	392,265
Allowance for credit losses	1,361	1,366	1,433	1,257
Commercial | Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	2,442,627	2,416,294
Allowance for credit losses	32,669	31,758	28,157	26,246
Agricultural Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	239,138	196,202
Allowance for credit losses	1,957	705	585	983
Commercial and Industrial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,340,865	1,273,637
Allowance for credit losses	25,602	25,450	20,808	19,241
Consumer Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	54,481	92,142
Allowance for credit losses	1,739	2,258	2,118	2,855
All Other Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	169,232	184,609
1-4 Family | Residential Properties | Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	502,243	549,843
Allowance for credit losses	3,579	4,220	$ 3,742	$ 2,330
Multifamily | Residential Properties | Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	$ 334,032	$ 321,537

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes Loans held-for-sale and loans and leases covered under loss sharing agreements.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount of unamortized loan commitment, origination, and other costs (fees) and purchase premium (discount) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement.

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