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Acquisitions (Summary of Proforma Combined) (Details) - USD ($) $ / shares in Units, $ in Thousands	4 Months Ended	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2017
Net interest income		$ 78,260
Noninterest income		22,874
Total revenue		101,134
Net income available to common shareholders		$ 21,229
Earnings per common share
Basic		$ 0.86
Diluted		$ 0.86
Carolina Bank [Member]
Net interest income	$ 8,778
Noninterest income	1,871
Total revenue	10,649
Net income available to common shareholders	$ 2,275

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
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-Publisher FASB
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