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Loans and Allowance for Credit Losses - Summary of Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	$ 5,733,530	$ 5,710,312
Less: loans held for sale	3,644	6,614
Loans and leases receivable gross excluding loans held for sale	5,729,886	5,703,698
Net deferred loan fees, premiums and discounts	34,672	37,850
Allowance for credit losses	70,051	70,182	$ 67,936	$ 68,675
Net loans	5,625,163	5,595,666
Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	3,916,154	3,906,596
Construction and Land Development | Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	269,300	236,258
Allowance for credit losses	3,731	3,275	2,701	2,918
Agricultural | Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	374,034	391,436
Allowance for credit losses	1,292	1,361	1,358	1,366
Commercial | Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	2,421,215	2,442,627
Allowance for credit losses	32,214	32,669	32,537	31,758
Agricultural Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	296,110	239,138
Allowance for credit losses	1,649	1,957	778	705
Commercial and Industrial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,308,062	1,340,865
Allowance for credit losses	26,028	25,602	24,631	25,450
Consumer Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	47,632	54,481
Allowance for credit losses	1,593	1,739	2,153	2,258
All Other Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	165,572	169,232
1-4 Family | Residential Properties | Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	493,490	502,243
Allowance for credit losses	3,544	3,579	$ 3,778	$ 4,220
Multifamily | Residential Properties | Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	$ 358,115	$ 334,032

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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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