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Loans (Allowance for Loan Losses and Recorded Investment in Loans) (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Mar. 31, 2020 | Jan. 01, 2020 | Dec. 31, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | --- | --- | --- | --- | --- | ---
Allowance for Loan Losses: |  |  |  |  |  |  |  |
Individually Evaluated for Impairment |  |  |  |  | $ 2,971 |  |  |
Collectively Evaluated for Impairment |  |  |  |  | 12,902 |  |  |
Total Ending Allowance Balance |  | $ 42,431 | $ 36,641 | $ 31,931 | 16,278 | $ 16,239 | $ 16,243 | $ 15,823
Loans: |  |  |  |  |  |  |  |
Loans Individually Evaluated for Impairment |  |  |  |  | 6,269 |  |  |
Loans Collectively Evaluated for Impairment |  |  |  |  | 3,076,835 |  |  |
Total | [1] |  |  |  | 3,095,902 |  |  |
Accrued interest included in recorded investment |  | 14,726 |  |  | 13,929 |  |  |
Acquired with Deteriorated Credit Quality |  |  |  |  |  |  |  |
Allowance for Loan Losses: |  |  |  |  |  |  |  |
Total Ending Allowance Balance |  |  |  |  | 405 |  |  |
Loans: |  |  |  |  |  |  |  |
Total |  |  |  |  | 12,798 |  |  |
Commercial and Industrial Loans and Leases |  |  |  |  |  |  |  |
Allowance for Loan Losses: |  |  |  |  |  |  |  |
Individually Evaluated for Impairment |  |  |  |  | 2,412 |  |  |
Collectively Evaluated for Impairment |  |  |  |  | 2,387 |  |  |
Total Ending Allowance Balance |  |  |  |  | 4,799 | 2,992 | 3,317 | 2,953
Loans: |  |  |  |  |  |  |  |
Loans Individually Evaluated for Impairment |  |  |  |  | 4,707 |  |  |
Loans Collectively Evaluated for Impairment |  |  |  |  | 585,328 |  |  |
Total | [1] |  |  |  | 591,403 |  |  |
Commercial and Industrial Loans and Leases | Acquired with Deteriorated Credit Quality |  |  |  |  |  |  |  |
Allowance for Loan Losses: |  |  |  |  |  |  |  |
Total Ending Allowance Balance |  |  |  |  | 0 |  |  |
Loans: |  |  |  |  |  |  |  |
Total |  |  |  |  | 1,368 |  |  |
Commercial Real Estate Loans |  |  |  |  |  |  |  |
Allowance for Loan Losses: |  |  |  |  |  |  |  |
Individually Evaluated for Impairment |  |  |  |  | 559 |  |  |
Collectively Evaluated for Impairment |  |  |  |  | 3,733 |  |  |
Total Ending Allowance Balance |  | 22,369 | 17,310 |  | 4,692 | 5,841 | 5,741 | 5,291
Loans: |  |  |  |  |  |  |  |
Loans Individually Evaluated for Impairment |  |  |  |  | 1,562 |  |  |
Loans Collectively Evaluated for Impairment |  |  |  |  | 1,491,090 |  |  |
Total | [1] |  |  |  | 1,499,864 |  |  |
Commercial Real Estate Loans | Acquired with Deteriorated Credit Quality |  |  |  |  |  |  |  |
Allowance for Loan Losses: |  |  |  |  |  |  |  |
Total Ending Allowance Balance |  |  |  |  | 400 |  |  |
Loans: |  |  |  |  |  |  |  |
Total |  |  |  |  | 7,212 |  |  |
Agricultural Loans |  |  |  |  |  |  |  |
Allowance for Loan Losses: |  |  |  |  |  |  |  |
Individually Evaluated for Impairment |  |  |  |  | 0 |  |  |
Collectively Evaluated for Impairment |  |  |  |  | 5,315 |  |  |
Total Ending Allowance Balance |  | 7,030 | 6,485 |  | 5,315 | 5,725 | 5,453 | 5,776
Loans: |  |  |  |  |  |  |  |
Loans Individually Evaluated for Impairment |  |  |  |  | 0 |  |  |
Loans Collectively Evaluated for Impairment |  |  |  |  | 387,710 |  |  |
Total | [1] |  |  |  | 390,871 |  |  |
Agricultural Loans | Acquired with Deteriorated Credit Quality |  |  |  |  |  |  |  |
Allowance for Loan Losses: |  |  |  |  |  |  |  |
Total Ending Allowance Balance |  |  |  |  | 0 |  |  |
Loans: |  |  |  |  |  |  |  |
Total |  |  |  |  | 3,161 |  |  |
Home Equity Loans |  |  |  |  |  |  |  |
Allowance for Loan Losses: |  |  |  |  |  |  |  |
Individually Evaluated for Impairment |  |  |  |  | 0 |  |  |
Collectively Evaluated for Impairment |  |  |  |  | 200 |  |  |
Total Ending Allowance Balance |  | 1,062 | 977 |  | 200 | 258 | 214 | 229
Loans: |  |  |  |  |  |  |  |
Loans Individually Evaluated for Impairment |  |  |  |  | 0 |  |  |
Loans Collectively Evaluated for Impairment |  |  |  |  | 226,406 |  |  |
Total | [1] |  |  |  | 226,775 |  |  |
Home Equity Loans | Acquired with Deteriorated Credit Quality |  |  |  |  |  |  |  |
Allowance for Loan Losses: |  |  |  |  |  |  |  |
Total Ending Allowance Balance |  |  |  |  | 0 |  |  |
Loans: |  |  |  |  |  |  |  |
Total |  |  |  |  | 369 |  |  |
Consumer Loans |  |  |  |  |  |  |  |
Allowance for Loan Losses: |  |  |  |  |  |  |  |
Individually Evaluated for Impairment |  |  |  |  | 0 |  |  |
Collectively Evaluated for Impairment |  |  |  |  | 434 |  |  |
Total Ending Allowance Balance |  | 496 | 455 |  | 434 | 422 | 483 | 420
Loans: |  |  |  |  |  |  |  |
Loans Individually Evaluated for Impairment |  |  |  |  | 0 |  |  |
Loans Collectively Evaluated for Impairment |  |  |  |  | 81,429 |  |  |
Total | [1] |  |  |  | 81,429 |  |  |
Consumer Loans | Acquired with Deteriorated Credit Quality |  |  |  |  |  |  |  |
Allowance for Loan Losses: |  |  |  |  |  |  |  |
Total Ending Allowance Balance |  |  |  |  | 0 |  |  |
Residential Mortgage Loans |  |  |  |  |  |  |  |
Allowance for Loan Losses: |  |  |  |  |  |  |  |
Individually Evaluated for Impairment |  |  |  |  | 0 |  |  |
Collectively Evaluated for Impairment |  |  |  |  | 328 |  |  |
Total Ending Allowance Balance |  | 2,360 | 2,304 |  | 333 | 349 | 429 | 472
Loans: |  |  |  |  |  |  |  |
Loans Individually Evaluated for Impairment |  |  |  |  | 0 |  |  |
Loans Collectively Evaluated for Impairment |  |  |  |  | 304,872 |  |  |
Total | [1] |  |  |  | 305,560 |  |  |
Residential Mortgage Loans | Acquired with Deteriorated Credit Quality |  |  |  |  |  |  |  |
Allowance for Loan Losses: |  |  |  |  |  |  |  |
Total Ending Allowance Balance |  |  |  |  | 5 |  |  |
Loans: |  |  |  |  |  |  |  |
Total |  |  |  |  | 688 |  |  |
Unallocated |  |  |  |  |  |  |  |
Allowance for Loan Losses: |  |  |  |  |  |  |  |
Individually Evaluated for Impairment |  |  |  |  | 0 |  |  |
Collectively Evaluated for Impairment |  |  |  |  | 505 |  |  |
Total Ending Allowance Balance |  | $ 0 | $ 0 |  | 505 | $ 652 | $ 606 | $ 682
Unallocated | Acquired with Deteriorated Credit Quality |  |  |  |  |  |  |  |
Allowance for Loan Losses: |  |  |  |  |  |  |  |
Total Ending Allowance Balance |  |  |  |  | $ 0 |  |  |
[1] | Total recorded investment in loans includes $13,929 in accrued interest.

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