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Loans, Past Due (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2018 | Dec. 31, 2017
Recorded investment of past due [Abstract] |  |
Total past due | $ 15,132 | $ 12,204
Current | 1,022,542 | 985,683
PCI | 2,526 | 2,638
Total financing receivables | 1,040,200 | 1,000,525
90 Days or greater and accruing | 1,046 | 555
Financing receivables on nonaccrual status [Abstract] |  |
Total past due and non-accrual | 8,943 | 8,160
Current and non-accrual | 1,988 | 2,011
PCI Loans considered non accrual | 0 | 0
Financing receivable nonaccrual status | 10,931 | 10,171
Financing receivables on accrual status [Abstract] |  |
Total past due and still accruing | 6,189 | 4,044
Current and still accruing | 1,020,554 | 983,672
PCI Loans still accruing | 2,526 | 2,638
Total financing receivables and still accruing | $ 1,029,269 | 990,354
Minimum [Member] |  |
Financing receivables on nonaccrual status [Abstract] |  |
Period of past due after which loans considered as non accrual | 90 days |
30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | $ 2,613 | 3,053
Financing receivables on nonaccrual status [Abstract] |  |
Total past due and non-accrual | 617 | 816
Financing receivables on accrual status [Abstract] |  |
Total past due and still accruing | 1,996 | 2,237
60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 3,937 | 1,533
Financing receivables on nonaccrual status [Abstract] |  |
Total past due and non-accrual | 790 | 281
Financing receivables on accrual status [Abstract] |  |
Total past due and still accruing | 3,147 | 1,252
90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 8,582 | 7,618
Financing receivables on nonaccrual status [Abstract] |  |
Total past due and non-accrual | 7,536 | 7,063
Financing receivables on accrual status [Abstract] |  |
Total past due and still accruing | 1,046 | 555
Real Estate Loans [Member] | Mortgages [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,474 | 2,168
Current | 153,243 | 152,144
PCI | 30 | 33
Total financing receivables | 154,747 | 154,345
90 Days or greater and accruing | 0 | 218
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 1,375 | 1,274
Real Estate Loans [Member] | Mortgages [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 476 | 996
Real Estate Loans [Member] | Mortgages [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 202 | 362
Real Estate Loans [Member] | Mortgages [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 796 | 810
Real Estate Loans [Member] | Home Equity [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 322 | 441
Current | 58,173 | 59,693
PCI | 0 | 0
Total financing receivables | 58,495 | 60,134
90 Days or greater and accruing | 0 | 0
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 118 | 112
Real Estate Loans [Member] | Home Equity [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 220 | 277
Real Estate Loans [Member] | Home Equity [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 8 | 86
Real Estate Loans [Member] | Home Equity [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 94 | 78
Real Estate Loans [Member] | Commercial [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 7,869 | 6,228
Current | 300,314 | 300,396
PCI | 1,388 | 1,460
Total financing receivables | 309,571 | 308,084
90 Days or greater and accruing | 38 | 162
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 6,262 | 5,192
Real Estate Loans [Member] | Commercial [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,649 | 1,353
Real Estate Loans [Member] | Commercial [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 2,019 | 1,010
Real Estate Loans [Member] | Commercial [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 4,201 | 3,865
Real Estate Loans [Member] | Agricultural [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,815 | 447
Current | 260,193 | 238,808
PCI | 683 | 702
Total financing receivables | 262,691 | 239,957
90 Days or greater and accruing | 543 | 30
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 167 | 175
Real Estate Loans [Member] | Agricultural [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 8 | 242
Real Estate Loans [Member] | Agricultural [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,105 | 0
Real Estate Loans [Member] | Agricultural [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 702 | 205
Real Estate Loans [Member] | Construction [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 0 | 133
Current | 27,901 | 13,369
PCI | 0 | 0
Total financing receivables | 27,901 | 13,502
90 Days or greater and accruing | 0 | 0
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 0 | 133
Real Estate Loans [Member] | Construction [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 0 | 0
Real Estate Loans [Member] | Construction [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 0 | 0
Real Estate Loans [Member] | Construction [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 0 | 133
Consumer [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 89 | 135
Current | 9,651 | 9,809
PCI | 0 | 0
Total financing receivables | 9,740 | 9,944
90 Days or greater and accruing | 32 | 7
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 25 | 42
Consumer [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 31 | 53
Consumer [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 26 | 33
Consumer [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 32 | 49
Other Commercial Loans [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 2,379 | 2,504
Current | 72,198 | 69,066
PCI | 425 | 443
Total financing receivables | 75,002 | 72,013
90 Days or greater and accruing | 0 | 32
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 2,415 | 2,637
Other Commercial Loans [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 47 | 132
Other Commercial Loans [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 8 | 0
Other Commercial Loans [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 2,324 | 2,372
Other Agricultural Loans [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,184 | 148
Current | 40,947 | 37,661
PCI | 0 | 0
Total financing receivables | 42,131 | 37,809
90 Days or greater and accruing | 433 | 106
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 569 | 606
Other Agricultural Loans [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 182 | 0
Other Agricultural Loans [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 569 | 42
Other Agricultural Loans [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 433 | 106
State and Political Subdivision Loans [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 0 | 0
Current | 99,922 | 104,737
PCI | 0 | 0
Total financing receivables | 99,922 | 104,737
90 Days or greater and accruing | 0 | 0
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 0 | 0
State and Political Subdivision Loans [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 0 | 0
State and Political Subdivision Loans [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 0 | 0
State and Political Subdivision Loans [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | $ 0 | $ 0

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