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Loans - Aging of Past Due Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Total | $ 4,044,268 | $ 3,977,900
Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 19,111 | 21,865
30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 10,026 | 11,253
60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 3,117 | 3,378
Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 5,968 | 7,234
Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 4,025,157 | 3,956,035
Commercial and Industrial Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 591,699 | 589,541
Commercial and Industrial Loans | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 2,357 | 4,388
Commercial and Industrial Loans | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 194 | 832
Commercial and Industrial Loans | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 0 | 257
Commercial and Industrial Loans | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 2,163 | 3,299
Commercial and Industrial Loans | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 589,342 | 585,153
Commercial Real Estate Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 2,172,447 | 2,121,835
Commercial Real Estate Loans | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 3,485 | 2,637
Commercial Real Estate Loans | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 1,023 | 1,215
Commercial Real Estate Loans | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 278 | 484
Commercial Real Estate Loans | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 2,184 | 938
Commercial Real Estate Loans | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 2,168,962 | 2,119,198
Agricultural Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 413,742 | 423,803
Agricultural Loans | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 609 | 750
Agricultural Loans | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 182 | 5
Agricultural Loans | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 7 | 248
Agricultural Loans | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 420 | 497
Agricultural Loans | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 413,133 | 423,053
Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 72,736 | 71,988
Leases | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 0 | 0
Leases | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 0 | 0
Leases | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 0 | 0
Leases | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 0 | 0
Leases | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 72,736 | 71,988
Home Equity Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 322,043 | 299,685
Home Equity Loans | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 2,397 | 2,620
Home Equity Loans | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 1,706 | 1,016
Home Equity Loans | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 253 | 571
Home Equity Loans | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 438 | 1,033
Home Equity Loans | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 319,646 | 297,065
Consumer Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 81,171 | 87,853
Consumer Loans | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 1,012 | 852
Consumer Loans | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 928 | 658
Consumer Loans | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 69 | 84
Consumer Loans | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 15 | 110
Consumer Loans | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 80,159 | 87,001
Credit Cards |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 21,433 | 20,351
Credit Cards | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 322 | 394
Credit Cards | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 256 | 165
Credit Cards | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 35 | 87
Credit Cards | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 31 | 142
Credit Cards | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 21,111 | 19,957
Residential Mortgage Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 368,997 | 362,844
Residential Mortgage Loans | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 8,929 | 10,224
Residential Mortgage Loans | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 5,737 | 7,362
Residential Mortgage Loans | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 2,475 | 1,647
Residential Mortgage Loans | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 717 | 1,215
Residential Mortgage Loans | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total | $ 360,068 | $ 352,620

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