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Loans - Loans (Detail) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | --- | --- | ---
Loans: |  |  |  |
Loans - Gross | $ 2,542,349 | $ 2,580,674 |  |
Less: Net deferred loan fees and costs | (982) | 517 |  |
Loans after net deferred loan fees and costs | 2,541,367 | 2,581,191 |  |
Less: Allowance for loan losses | (24,680) | (25,024) | $ (24,634) | $ (20,313)
Loans - Net | 2,516,687 | 2,556,167 |  |
Consumer Real Estate [Member] |  |  |  |
Loans: |  |  |  |
Loans - Gross | 525,178 | 521,895 |  |
Less: Allowance for loan losses | (3,285) | (3,581) | (3,623) | (998)
Agricultural Real Estate [Member] |  |  |  |
Loans: |  |  |  |
Loans - Gross | 227,455 | 223,791 |  |
Less: Allowance for loan losses | (1,171) | (312) | (209) | (349)
Agricultural [Member] |  |  |  |
Loans: |  |  |  |
Loans - Gross | 127,670 | 132,560 |  |
Less: Allowance for loan losses | (377) | (336) | (66) | (751)
Commercial Real Estate [Member] |  |  |  |
Loans: |  |  |  |
Loans - Gross | 1,304,400 | 1,337,766 |  |
Less: Allowance for loan losses | (15,953) | (17,400) | (16,088) | (11,924)
Commercial and Industrial [Member] |  |  |  |
Loans: |  |  |  |
Loans - Gross | 256,051 | 254,935 |  |
Consumer [Member] |  |  |  |
Loans: |  |  |  |
Loans - Gross | 74,819 | 79,591 |  |
Less: Allowance for loan losses | (1,162) | (1,302) | $ (1,234) | $ (909)
Other Loan [Member] |  |  |  |
Loans: |  |  |  |
Loans - Gross | $ 26,776 | $ 30,136 |  |

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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481696/310-30-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(1) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (g) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480418/310-10-S99-4 + Details
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