Consolidated Statements of Shareholders' Equity (unaudited) - USD ($) $ in Thousands	Total		Unearned ESOP Shares [Member]	Common Stock and Related Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]
Beginning Balance at Dec. 31, 2015	$ 143,744		$ (1,964)	$ 45,741	$ 100,423	$ (456)
Comprehensive income:
Net income	8,305				8,305
Other comprehensive income	336					336
Share-based compensation expense	100			100
Stock Issued During Period, Value, Employee Stock Ownership Plan	271		192	79
Stock Issued During Period, Value, Dividend Reinvestment Plan	47			47
Common stock cash dividends declared	(2,134)				(2,134)
Ending Balance at Jun. 30, 2016	150,669		(1,772)	45,967	106,594	(120)
Beginning Balance at Dec. 31, 2016	155,360	[1]	(1,583)	46,757	113,448	(3,262)
Comprehensive income:
Net income	3,662				3,662
Other comprehensive income	2,956					2,956
Stock Issued During Period, Value, Stock Options Exercised	12			12
Share-based compensation expense	184			184
Stock Issued During Period, Value, Employee Stock Ownership Plan	453		213	240
Stock Issued During Period, Value, Acquisitions	32,968			32,968
Stock Issued During Period, Value, Dividend Reinvestment Plan	69			69	0
Common stock cash dividends declared	(2,532)				(2,532)
Ending Balance at Jun. 30, 2017	$ 193,132		$ (1,370)	$ 80,230	$ 114,578	$ (306)

[1] Derived from audited consolidated financial statements