Loans and Allowance for Credit Losses - Allowance for Credit Losses Based on Portfolio Segment (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Allowance for loan losses [Abstract]
Allowance for credit losses, Beginning Balance	$ 68,675	$ 59,093	$ 54,655
Initial allowance on loans purchased with credit deterioration	0	3,791	863
Provision for credit loss expense	5,635	6,104	4,806
Loans charged off	5,748	2,631	2,950
Recoveries collected	1,620	2,318	1,719
Allowance for credit losses, Ending Balance	70,182	68,675	59,093
Construction and Land Development \| Real Estate Loan
Allowance for loan losses [Abstract]
Allowance for credit losses, Beginning Balance	2,918	2,250	1,743
Initial allowance on loans purchased with credit deterioration	0	308	272
Provision for credit loss expense	352	374	137
Loans charged off	0	14	2
Recoveries collected	5	0	100
Allowance for credit losses, Ending Balance	3,275	2,918	2,250
Agricultural \| Real Estate Loan
Allowance for loan losses [Abstract]
Allowance for credit losses, Beginning Balance	1,366	1,433	1,257
Initial allowance on loans purchased with credit deterioration	0	0	0
Provision for credit loss expense	(5)	(67)	176
Loans charged off	0	0	0
Recoveries collected	0	0	0
Allowance for credit losses, Ending Balance	1,361	1,366	1,433
Residential Properties \| Real Estate Loan \| 1-4 Family
Allowance for loan losses [Abstract]
Allowance for credit losses, Beginning Balance	4,220	3,742	2,330
Initial allowance on loans purchased with credit deterioration	0	124	3
Provision for credit loss expense	(785)	225	1,241
Loans charged off	195	87	191
Recoveries collected	339	216	359
Allowance for credit losses, Ending Balance	3,579	4,220	3,742
Commercial \| Real Estate Loan
Allowance for loan losses [Abstract]
Allowance for credit losses, Beginning Balance	31,758	28,157	26,246
Initial allowance on loans purchased with credit deterioration	0	1,066	478
Provision for credit loss expense	1,178	1,755	1,462
Loans charged off	451	25	414
Recoveries collected	184	805	385
Allowance for credit losses, Ending Balance	32,669	31,758	28,157
Agricultural Loans
Allowance for loan losses [Abstract]
Allowance for credit losses, Beginning Balance	705	585	983
Initial allowance on loans purchased with credit deterioration	0	0	0
Provision for credit loss expense	3,587	490	(359)
Loans charged off	2,410	408	93
Recoveries collected	75	38	54
Allowance for credit losses, Ending Balance	1,957	705	585
Commercial and Industrial Loans
Allowance for loan losses [Abstract]
Allowance for credit losses, Beginning Balance	25,450	20,808	19,241
Initial allowance on loans purchased with credit deterioration	0	2,273	94
Provision for credit loss expense	510	2,322	2,135
Loans charged off	688	529	870
Recoveries collected	330	576	208
Allowance for credit losses, Ending Balance	25,602	25,450	20,808
Consumer Loans
Allowance for loan losses [Abstract]
Allowance for credit losses, Beginning Balance	2,258	2,118	2,855
Initial allowance on loans purchased with credit deterioration	0	20	16
Provision for credit loss expense	798	1,005	14
Loans charged off	2,004	1,568	1,380
Recoveries collected	687	683	613
Allowance for credit losses, Ending Balance	$ 1,739	$ 2,258	$ 2,118

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Amount of increase in allowance for credit loss on financing receivable purchased with credit deterioration.

+ References

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-Topic 326
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-Name Accounting Standards Codification
-Section 50
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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 writeoff of financing receivable, charged against allowance for credit loss.

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