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Loans - Components of Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total Loans | $ 3,652,743 |  | $ 3,007,926 |  |  |
Less: Unearned Income | (3,374) |  | (3,662) |  |  |
Allowance for Credit Losses | (45,031) | $ (45,078) | (37,017) | $ (39,995) | $ (45,099) | $ (46,859)
Loans, Net | 3,604,338 |  | 2,967,247 |  |  |
Commercial and Industrial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total Loans | 587,460 |  | 493,005 |  |  |
Allowance for Credit Losses | (13,545) | (12,720) | (9,554) | (6,080) | (6,248) | (6,445)
Commercial Real Estate Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total Loans | 1,904,235 |  | 1,530,677 |  |  |
Allowance for Credit Losses | (22,349) | (23,217) | (19,245) | (24,220) | (28,540) | (29,878)
Agricultural Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total Loans | 397,524 |  | 358,150 |  |  |
Allowance for Credit Losses | (4,628) | (4,759) | (4,505) | (5,847) | (6,462) | (6,756)
Leases |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total Loans | 54,036 |  | 55,345 |  |  |
Allowance for Credit Losses | (191) | (196) | (200) | (204) | (201) | (200)
Home Equity Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total Loans | 261,019 |  | 222,525 |  |  |
Allowance for Credit Losses | (1,233) | (1,207) | (1,061) | (908) | (965) | (996)
Consumer Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total Loans | 89,230 |  | 70,302 |  |  |
Allowance for Credit Losses | (668) | (616) | (507) | (460) | (439) | (490)
Credit Cards |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total Loans | 16,073 |  | 14,357 |  |  |
Allowance for Credit Losses | (239) | (212) | (240) | (181) | (162) | (150)
Residential Mortgage Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total Loans | 343,166 |  | 263,565 |  |  |
Allowance for Credit Losses | (2,178) | $ (2,151) | (1,705) | $ (2,095) | $ (2,082) | $ (1,944)
Commercial: | Commercial and Industrial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total Loans | 587,460 |  | 493,005 |  |  |
Commercial: | Commercial Real Estate Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total Loans | 1,904,235 |  | 1,530,677 |  |  |
Commercial: | Agricultural Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total Loans | 397,524 |  | 358,150 |  |  |
Commercial: | Leases |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total Loans | 54,036 |  | 55,345 |  |  |
Retail: | Home Equity Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total Loans | 261,019 |  | 222,525 |  |  |
Retail: | Consumer Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total Loans | 89,230 |  | 70,302 |  |  |
Retail: | Credit Cards |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total Loans | 16,073 |  | 14,357 |  |  |
Retail: | Residential Mortgage Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Total Loans | $ 343,166 |  | $ 263,565 |  |  |

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