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Acquisitions (Summary of Proforma Combined) (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 2017 | Mar. 31, 2016
Net interest income |  | $ 38,209 | $ 35,966
Noninterest income |  | 10,999 | 7,291
Total revenue |  | 49,208 | 43,257
Net income available to common shareholders |  | $ 5,377 | $ 7,880
Earnings per common share |  |  |
Basic |  | $ 0.22 | $ 0.33
Diluted |  | $ 0.22 | $ 0.32
Carolina Bank Holdings, Inc. [Member] |  |  |
Net interest income | $ 1,886 |  |
Noninterest income | 503 |  |
Total revenue | 2,389 |  |
Net income available to common shareholders | $ 210 |  |

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