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Segment Reporting (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2017 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2017 USD ($) segment | Jun. 30, 2016 USD ($) | Dec. 31, 2016 USD ($)
Segment Reporting [Abstract] |  |  |  |  |
Number of reporting segments | segment |  |  | 2 |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net interest income and other income from external customers | $ 13,359 | $ 12,841 | $ 25,907 | $ 24,720 |
Income before income taxes | 3,725 | 4,029 | 7,273 | 7,399 |
Total assets | 1,261,936 | 1,169,110 | 1,261,936 | 1,169,110 | $ 1,206,320
Capital expenditures | 436 | 924 | $ 803 | 1,699 |
Amortization period |  |  | 10 years |  |
Banking |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net interest income and other income from external customers | 11,821 | 11,513 | $ 23,215 | 22,289 |
Income before income taxes | 3,237 | 3,720 | 6,675 | 6,939 |
Total assets | 1,252,723 | 1,159,662 | 1,252,723 | 1,159,662 |
Capital expenditures | 436 | 924 | 803 | 1,687 |
Insurance |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net interest income and other income from external customers | 1,538 | 1,328 | 2,692 | 2,431 |
Income before income taxes | 488 | 309 | 598 | 460 |
Total assets | 9,213 | 9,448 | 9,213 | 9,448 |
Capital expenditures | $ 0 | $ 0 | $ 0 | $ 12 |

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