Consolidated Statements of Shareholders' Equity (unaudited) - USD ($) $ in Thousands	Total		Common Stock and Related Surplus [Member]	Unearned ESOP Shares [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]
Beginning Balance at Dec. 31, 2017	$ 201,505		$ 81,098	$ (1,152)	$ 119,827	$ 1,732
Comprehensive income:
Net income	7,443				7,443
Other comprehensive income	(2,620)					(2,620)
Stock Issued During Period, Value, Stock Options Exercised	4		4
Share-based compensation expense	94		94
Stock Issued During Period, Value, Employee Stock Ownership Plan	127		73	54
Stock Issued During Period, Value, Dividend Reinvestment Plan	63		63
Common stock cash dividends declared	(1,607)				(1,607)
Ending Balance at Mar. 31, 2018	205,009		81,332	(1,098)	125,663	(888)
Beginning Balance at Dec. 31, 2018	219,830	[1]	80,431	(939)	141,354	(1,016)
Comprehensive income:
Net income	7,092				7,092
Other comprehensive income	2,130					2,130
Share-based compensation expense	132		132
Stock Issued During Period, Value, Employee Stock Ownership Plan	120		65	55
Stock Repurchased and Retired During Period, Value	2,876		2,876
Stock Issued During Period, Value, Acquisitions	8,918		8,918
Stock Issued During Period, Value, Dividend Reinvestment Plan	59		59
Common stock cash dividends declared	(1,775)				(1,775)
Ending Balance at Mar. 31, 2019	$ 233,630		$ 86,729	$ (884)	$ 146,671	$ 1,114

[1] Derived from audited consolidated financial statements