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Loans, Part III (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014 | Dec. 31, 2014
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |  |  |  |
Unpaid Contractual Principal Balance |  | $ 14,411 |  |  | $ 14,411 |  |  | $ 16,013 |
Recorded Investment With No Allowance (1) | [1] | 7,531 |  |  | 7,531 |  |  | 11,559 |
Recorded Investment With Allowance (1) |  | 6,900 | [1] |  | 6,900 | [1] |  | 4,478 | [2]
Total Recorded Investment |  | 14,431 |  |  | 14,431 |  |  | 16,037 |
Related Allowance |  | 2,419 |  |  | 2,419 |  |  | 715 |
Average Recorded Investment (2) |  | 14,506 |  | $ 14,436 | 15,550 | [3] | $ 14,714 | 15,045 |
Interest Recognized (2) |  | 199 |  | 176 | 590 | [3] | 463 | 794 |
Accrued interest receivable |  |  |  |  | 20 |  |  | 24 |
Impaired financing receivable, interest income, cash basis method |  | 126 |  | $ 117 | 326 |  | $ 264 |  |
Total Commercial and Industrial |  |  |  |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |  |  |  |
Unpaid Contractual Principal Balance |  | 2,071 |  |  | 2,071 |  |  | 1,417 |
Recorded Investment With No Allowance (1) | [1] | 878 |  |  | 878 |  |  | 1,191 |
Recorded Investment With Allowance (1) |  | 1,195 | [1] |  | 1,195 | [1] |  | 230 | [2]
Total Recorded Investment |  | 2,073 |  |  | 2,073 |  |  | 1,421 |
Related Allowance |  | 1,019 |  |  | 1,019 |  |  | 64 |
Average Recorded Investment (2) |  |  |  |  | 1,949 | [3] |  | 1,097 | [4]
Interest Recognized (2) |  |  |  |  | 50 | [3] |  | 104 | [4]
Commercial and Business Loans |  |  |  |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |  |  |  |
Unpaid Contractual Principal Balance |  | 1,723 |  |  | 1,723 |  |  | 996 |
Recorded Investment With No Allowance (1) | [1] | 530 |  |  | 530 |  |  | 770 |
Recorded Investment With Allowance (1) |  | 1,195 | [1] |  | 1,195 | [1] |  | 230 | [2]
Total Recorded Investment |  | 1,725 |  |  | 1,725 |  |  | 1,000 |
Related Allowance |  | 1,019 |  |  | 1,019 |  |  | 64 |
Average Recorded Investment (2) |  |  |  |  | 1,568 | [3] |  | 847 | [4]
Interest Recognized (2) |  |  |  |  | 28 | [3] |  | 76 | [4]
Government Program Loans |  |  |  |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |  |  |  |
Unpaid Contractual Principal Balance |  | 348 |  |  | 348 |  |  | 421 |
Recorded Investment With No Allowance (1) | [1] | 348 |  |  | 348 |  |  | 421 |
Recorded Investment With Allowance (1) |  | 0 | [1] |  | 0 | [1] |  | 0 | [2]
Total Recorded Investment |  | 348 |  |  | 348 |  |  | 421 |
Related Allowance |  | 0 |  |  | 0 |  |  | 0 |
Average Recorded Investment (2) |  |  |  |  | 381 | [3] |  | 250 | [4]
Interest Recognized (2) |  |  |  |  | 22 | [3] |  | 28 | [4]
Total Real Estate Mortgage |  |  |  |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |  |  |  |
Unpaid Contractual Principal Balance |  | 5,106 |  |  | 5,106 |  |  | 7,502 |
Recorded Investment With No Allowance (1) | [1] | 1,222 |  |  | 1,222 |  |  | 3,310 |
Recorded Investment With Allowance (1) |  | 3,892 | [1] |  | 3,892 | [1] |  | 4,203 | [2]
Total Recorded Investment |  | 5,114 |  |  | 5,114 |  |  | 7,513 |
Related Allowance |  | 672 |  |  | 672 |  |  | 648 |
Average Recorded Investment (2) |  |  |  |  | 6,275 | [3] |  | 10,340 | [4]
Interest Recognized (2) |  |  |  |  | 204 | [3] |  | 435 | [4]
Commercial Real Estate |  |  |  |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |  |  |  |
Unpaid Contractual Principal Balance |  | 1,279 |  |  | 1,279 |  |  | 3,145 |
Recorded Investment With No Allowance (1) | [1] | 0 |  |  | 0 |  |  | 1,794 |
Recorded Investment With Allowance (1) |  | 1,279 | [1] |  | 1,279 | [1] |  | 1,351 | [2]
Total Recorded Investment |  | 1,279 |  |  | 1,279 |  |  | 3,145 |
Related Allowance |  | 512 |  |  | 512 |  |  | 478 |
Average Recorded Investment (2) |  |  |  |  | 2,093 | [3] |  | 5,765 | [4]
Interest Recognized (2) |  |  |  |  | 51 | [3] |  | 244 | [4]
Residential Mortgages |  |  |  |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |  |  |  |
Unpaid Contractual Principal Balance |  | 3,827 |  |  | 3,827 |  |  | 4,315 |
Recorded Investment With No Allowance (1) | [1] | 1,222 |  |  | 1,222 |  |  | 1,474 |
Recorded Investment With Allowance (1) |  | 2,613 | [1] |  | 2,613 | [1] |  | 2,852 | [2]
Total Recorded Investment |  | 3,835 |  |  | 3,835 |  |  | 4,326 |
Related Allowance |  | 160 |  |  | 160 |  |  | 170 |
Average Recorded Investment (2) |  |  |  |  | 4,161 | [3] |  | 4,564 | [4]
Interest Recognized (2) |  |  |  |  | 153 | [3] |  | 188 | [4]
Home Improvement and Home Equity loans |  |  |  |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |  |  |  |
Unpaid Contractual Principal Balance |  | 0 |  |  | 0 |  |  | 42 |
Recorded Investment With No Allowance (1) | [1] | 0 |  |  | 0 |  |  | 42 |
Recorded Investment With Allowance (1) |  | 0 | [1] |  | 0 | [1] |  | 0 | [2]
Total Recorded Investment |  | 0 |  |  | 0 |  |  | 42 |
Related Allowance |  | 0 |  |  | 0 |  |  | 0 |
Average Recorded Investment (2) |  |  |  |  | 21 | [3] |  | 11 | [4]
Interest Recognized (2) |  |  |  |  | 0 | [3] |  | 3 | [4]
Real Estate Construction and Development Loans |  |  |  |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |  |  |  |
Unpaid Contractual Principal Balance |  | 6,114 |  |  | 6,114 |  |  | 6,367 |
Recorded Investment With No Allowance (1) | [1] | 5,411 |  |  | 5,411 |  |  | 6,371 |
Recorded Investment With Allowance (1) |  | 708 | [1] |  | 708 | [1] |  | 0 | [2]
Total Recorded Investment |  | 6,119 |  |  | 6,119 |  |  | 6,371 |
Related Allowance |  | 143 |  |  | 143 |  |  | 0 |
Average Recorded Investment (2) |  |  |  |  | 6,244 | [3] |  | 3,362 | [4]
Interest Recognized (2) |  |  |  |  | 303 | [3] |  | 209 | [4]
Agricultural Loans |  |  |  |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |  |  |  |
Unpaid Contractual Principal Balance |  | 20 |  |  | 20 |  |  | 32 |
Recorded Investment With No Allowance (1) | [1] | 20 |  |  | 20 |  |  | 32 |
Recorded Investment With Allowance (1) |  | 0 | [1] |  | 0 | [1] |  | 0 | [2]
Total Recorded Investment |  | 20 |  |  | 20 |  |  | 32 |
Related Allowance |  | 0 |  |  | 0 |  |  | 0 |
Average Recorded Investment (2) |  |  |  |  | 27 | [3] |  | 37 | [4]
Interest Recognized (2) |  |  |  |  | 7 | [3] |  | 9 | [4]
Total Installment |  |  |  |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |  |  |  |
Unpaid Contractual Principal Balance |  | 1,100 |  |  | 1,100 |  |  | 695 |
Recorded Investment With No Allowance (1) | [1] | 0 |  |  | 0 |  |  | 655 |
Recorded Investment With Allowance (1) |  | 1,105 | [1] |  | 1,105 | [1] |  | 45 | [2]
Total Recorded Investment |  | 1,105 |  |  | 1,105 |  |  | 700 |
Related Allowance |  | 585 |  |  | 585 |  |  | 3 |
Average Recorded Investment (2) |  |  |  |  | 1,055 | [3] |  | 209 | [4]
Interest Recognized (2) |  |  |  |  | 26 | [3] |  | 37 | [4]
Consumer Loans |  |  |  |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |  |  |  |
Unpaid Contractual Principal Balance |  | 1,100 |  |  | 1,100 |  |  | 695 |
Recorded Investment With No Allowance (1) | [1] | 0 |  |  | 0 |  |  | 655 |
Recorded Investment With Allowance (1) |  | 1,105 | [1] |  | 1,105 | [1] |  | 45 | [2]
Total Recorded Investment |  | 1,105 |  |  | 1,105 |  |  | 700 |
Related Allowance |  | 585 |  |  | 585 |  |  | 3 |
Average Recorded Investment (2) |  |  |  |  | 1,055 | [3] |  | 209 | [4]
Interest Recognized (2) |  |  |  |  | 26 | [3] |  | 37 | [4]
Overdraft Protection Lines |  |  |  |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |  |  |  |
Unpaid Contractual Principal Balance |  | 0 |  |  | 0 |  |  | 0 |
Recorded Investment With No Allowance (1) | [1] | 0 |  |  | 0 |  |  | 0 |
Recorded Investment With Allowance (1) |  | 0 | [1] |  | 0 | [1] |  | 0 | [2]
Total Recorded Investment |  | 0 |  |  | 0 |  |  | 0 |
Related Allowance |  | 0 |  |  | 0 |  |  | 0 |
Average Recorded Investment (2) |  |  |  |  | 0 | [3] |  | 0 | [4]
Interest Recognized (2) |  |  |  |  | 0 | [3] |  | 0 | [4]
Overdrafts |  |  |  |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |  |  |  |
Unpaid Contractual Principal Balance |  | 0 |  |  | 0 |  |  | 0 |
Recorded Investment With No Allowance (1) | [1] | 0 |  |  | 0 |  |  | 0 |
Recorded Investment With Allowance (1) |  | 0 | [1] |  | 0 | [1] |  | 0 | [2]
Total Recorded Investment |  | 0 |  |  | 0 |  |  | 0 |
Related Allowance |  | $ 0 |  |  | 0 |  |  | 0 |
Average Recorded Investment (2) |  |  |  |  | 0 | [3] |  | 0 | [4]
Interest Recognized (2) |  |  |  |  | $ 0 | [3] |  | $ 0 | [4]
[1] | The recorded investment in loans includes accrued interest receivable of $20,000.
[2] | The recorded investment in loans includes accrued interest receivable of $24,000.
[3] | Information is based on the nine month period ended September 30, 2015.
[4] | Information is based on the twelve month period ended December 31, 2014.

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