CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (unaudited) - USD ($) $ in Thousands		Total	Common Stock $1 Par	Surplus	Retained Earnings	Accumulated Other Comprehensive Income/(Loss)
Beginning balance at Dec. 31, 2018	[1]	$ 147,284	$ 9,687	$ 109,788	$ 34,947	$ (7,138)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		6,345			6,345
Other comprehensive income		8,327				8,327
Cash dividends on common stock	[1]	(2,818)			(2,818)
Ending balance at Jun. 30, 2019		159,138	9,687	109,788	38,474	1,189
Beginning balance at Dec. 31, 2019		166,035	9,741	110,836	43,283	2,175
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		9,009			9,009
Other comprehensive income		7,999				7,999
Cash dividends on common stock		(3,117)			(3,117)
Ending balance at Jun. 30, 2020		$ 179,926	$ 9,741	$ 110,836	$ 49,175	$ 10,174

[1] All share and per share amounts have been restated to reflect the ten percent stock dividend paid December 16, 2019 to shareholders of record as of December 9, 2019.