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Loans, Past Due (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2018 | Dec. 31, 2017
Recorded investment of past due [Abstract] |  |
Total past due | $ 16,514 | $ 12,204
Current | 1,041,241 | 985,683
PCI | 2,576 | 2,638
Total financing receivables | 1,060,331 | 1,000,525
90 Days or greater and accruing | 302 | 555
Financing receivables on nonaccrual status [Abstract] |  |
Total past due and non-accrual | 13,085 | 8,160
Current and non-accrual | 1,445 | 2,011
PCI Loans considered non accrual | 0 | 0
Financing receivable nonaccrual status | 14,530 | 10,171
Financing receivables on accrual status [Abstract] |  |
Total past due and still accruing | 3,429 | 4,044
Current and still accruing | 1,039,796 | 983,672
PCI Loans still accruing | 2,576 | 2,638
Total financing receivables and still accruing | $ 1,045,801 | 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 | $ 3,174 | 3,053
Financing receivables on nonaccrual status [Abstract] |  |
Total past due and non-accrual | 326 | 816
Financing receivables on accrual status [Abstract] |  |
Total past due and still accruing | 2,848 | 2,237
60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,649 | 1,533
Financing receivables on nonaccrual status [Abstract] |  |
Total past due and non-accrual | 1,370 | 281
Financing receivables on accrual status [Abstract] |  |
Total past due and still accruing | 279 | 1,252
90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 11,691 | 7,618
Financing receivables on nonaccrual status [Abstract] |  |
Total past due and non-accrual | 11,389 | 7,063
Financing receivables on accrual status [Abstract] |  |
Total past due and still accruing | 302 | 555
Real Estate Loans [Member] | Mortgages [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,537 | 2,168
Current | 153,054 | 152,144
PCI | 30 | 33
Total financing receivables | 154,621 | 154,345
90 Days or greater and accruing | 1 | 218
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 1,263 | 1,274
Real Estate Loans [Member] | Mortgages [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 661 | 996
Real Estate Loans [Member] | Mortgages [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 191 | 362
Real Estate Loans [Member] | Mortgages [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 685 | 810
Real Estate Loans [Member] | Home Equity [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 192 | 441
Current | 58,442 | 59,693
PCI | 0 | 0
Total financing receivables | 58,634 | 60,134
90 Days or greater and accruing | 0 | 0
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 86 | 112
Real Estate Loans [Member] | Home Equity [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 125 | 277
Real Estate Loans [Member] | Home Equity [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 0 | 86
Real Estate Loans [Member] | Home Equity [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 67 | 78
Real Estate Loans [Member] | Commercial [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 7,282 | 6,228
Current | 304,355 | 300,396
PCI | 1,345 | 1,460
Total financing receivables | 312,982 | 308,084
90 Days or greater and accruing | 300 | 162
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 6,445 | 5,192
Real Estate Loans [Member] | Commercial [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,576 | 1,353
Real Estate Loans [Member] | Commercial [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,109 | 1,010
Real Estate Loans [Member] | Commercial [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 4,597 | 3,865
Real Estate Loans [Member] | Agricultural [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 3,259 | 447
Current | 276,627 | 238,808
PCI | 683 | 702
Total financing receivables | 280,569 | 239,957
90 Days or greater and accruing | 0 | 30
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 3,259 | 175
Real Estate Loans [Member] | Agricultural [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 0 | 242
Real Estate Loans [Member] | Agricultural [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 6 | 0
Real Estate Loans [Member] | Agricultural [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 3,253 | 205
Real Estate Loans [Member] | Construction [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 0 | 133
Current | 30,262 | 13,369
PCI | 0 | 0
Total financing receivables | 30,262 | 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 | 77 | 135
Current | 9,625 | 9,809
PCI | 0 | 0
Total financing receivables | 9,702 | 9,944
90 Days or greater and accruing | 1 | 7
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 22 | 42
Consumer [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 69 | 53
Consumer [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 7 | 33
Consumer [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1 | 49
Other Commercial Loans [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 2,982 | 2,504
Current | 68,719 | 69,066
PCI | 518 | 443
Total financing receivables | 72,219 | 72,013
90 Days or greater and accruing | 0 | 32
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 2,269 | 2,637
Other Commercial Loans [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 662 | 132
Other Commercial Loans [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 141 | 0
Other Commercial Loans [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 2,179 | 2,372
Other Agricultural Loans [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,185 | 148
Current | 38,732 | 37,661
PCI | 0 | 0
Total financing receivables | 39,917 | 37,809
90 Days or greater and accruing | 0 | 106
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 1,186 | 606
Other Agricultural Loans [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 81 | 0
Other Agricultural Loans [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 195 | 42
Other Agricultural Loans [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 909 | 106
State and Political Subdivision Loans [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 0 | 0
Current | 101,425 | 104,737
PCI | 0 | 0
Total financing receivables | 101,425 | 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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