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Loans - Collateral-dependent Loans by Class (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | $ 3,772,866 | $ 3,788,645
Total |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 28,281 | 28,459
Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 19,919 | 20,749
Equipment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 1,314 | 1,575
Accounts Receivable |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 242 | 272
Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 6,806 | 5,863
Commercial and Industrial Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 608,870 | 620,106
Commercial and Industrial Loans | Total |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 10,086 | 9,420
Commercial and Industrial Loans | Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 2,079 | 2,078
Commercial and Industrial Loans | Equipment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 962 | 1,219
Commercial and Industrial Loans | Accounts Receivable |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 242 | 272
Commercial and Industrial Loans | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 6,803 | 5,851
Commercial Real Estate Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 2,000,237 | 1,966,884
Commercial Real Estate Loans | Total |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 11,648 | 12,228
Commercial Real Estate Loans | Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 11,612 | 12,192
Commercial Real Estate Loans | Equipment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 36 | 36
Commercial Real Estate Loans | Accounts Receivable |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Commercial Real Estate Loans | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Agricultural Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 378,587 | 417,413
Agricultural Loans | Total |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 5,128 | 5,262
Agricultural Loans | Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 4,816 | 4,944
Agricultural Loans | Equipment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 312 | 318
Agricultural Loans | Accounts Receivable |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Agricultural Loans | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 58,436 | 56,396
Leases | Total |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Leases | Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Leases | Equipment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Leases | Accounts Receivable |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Leases | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Home Equity Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 277,576 | 279,748
Home Equity Loans | Total |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 530 | 467
Home Equity Loans | Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 530 | 467
Home Equity Loans | Equipment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Home Equity Loans | Accounts Receivable |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Home Equity Loans | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Consumer Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 80,502 | 79,904
Consumer Loans | Total |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 15 | 22
Consumer Loans | Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 8 | 8
Consumer Loans | Equipment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 4 | 2
Consumer Loans | Accounts Receivable |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Consumer Loans | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 3 | 12
Credit Cards |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 18,320 | 17,512
Credit Cards | Total |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Credit Cards | Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Credit Cards | Equipment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Credit Cards | Accounts Receivable |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Credit Cards | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Residential Mortgage Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 350,338 | 350,682
Residential Mortgage Loans | Total |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 874 | 1,060
Residential Mortgage Loans | Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 874 | 1,060
Residential Mortgage Loans | Equipment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Residential Mortgage Loans | Accounts Receivable |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Residential Mortgage Loans | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | $ 0 | $ 0

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