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Loans - Allowance for Credit Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Allowance for Credit Losses [Roll Forward] |  |  |
Beginning balance | $ 43,765 | $ 44,168 | $ 44,168
Provision for Credit Losses | 900 | 1,100 |
Loans charged-off | (1,061) | (1,238) |
Recoveries collected | 150 | 285 |
Total ending allowance balance | 43,754 | 44,315 | 43,765
Commercial and Industrial Loans |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |
Beginning balance | 7,921 | 13,749 | 13,749
Provision for Credit Losses | (556) | 501 |
Loans charged-off | (102) | (733) | (1,792)
Recoveries collected | 3 | 55 |
Total ending allowance balance | 7,266 | 13,572 | 7,921
Commercial Real Estate Loans |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |
Beginning balance | 25,923 | 21,598 | 21,598
Provision for Credit Losses | 833 | 402 |
Loans charged-off | (308) | 0 | (56)
Recoveries collected | 4 | 62 |
Total ending allowance balance | 26,452 | 22,062 | 25,923
Agricultural Loans |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |
Beginning balance | 3,837 | 4,188 | 4,188
Provision for Credit Losses | (187) | (301) |
Loans charged-off | 0 | 0 | (27)
Recoveries collected | 0 | 0 |
Total ending allowance balance | 3,650 | 3,887 | 3,837
Leases |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |
Beginning balance | 346 | 209 | 209
Provision for Credit Losses | 27 | 18 |
Loans charged-off | 0 | 0 | 0
Recoveries collected | 0 | 0 |
Total ending allowance balance | 373 | 227 | 346
Consumer Loans |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |
Beginning balance | 759 | 595 | 595
Provision for Credit Losses | 269 | 226 |
Loans charged-off | (368) | (345) | (1,309)
Recoveries collected | 125 | 133 |
Total ending allowance balance | 785 | 609 | 759
Home Equity Loans |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |
Beginning balance | 1,834 | 1,344 | 1,344
Provision for Credit Losses | 294 | 54 |
Loans charged-off | (134) | (14) | (94)
Recoveries collected | 7 | 31 |
Total ending allowance balance | 2,001 | 1,415 | 1,834
Credit Cards |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |
Beginning balance | 383 | 257 | 257
Provision for Credit Losses | 150 | 125 |
Loans charged-off | (149) | (120) |
Recoveries collected | 11 | 1 |
Total ending allowance balance | 395 | 263 | 383
Residential Mortgage Loans |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |
Beginning balance | 2,762 | 2,228 | 2,228
Provision for Credit Losses | 70 | 75 |
Loans charged-off | 0 | (26) | (58)
Recoveries collected | 0 | 3 |
Total ending allowance balance | $ 2,832 | $ 2,280 | $ 2,762

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 + Details
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- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
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- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
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