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		$ 147,284	$ 9,687	$ 109,788	$ 34,947	$ (7,138)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		3,132			3,132
Other comprehensive income		5,575				5,575
Cash dividends on common stock	[1]	(1,409)			(1,409)
Ending balance at Mar. 31, 2019		154,582	9,687	109,788	36,670	(1,563)
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		3,825			3,825
Other comprehensive income		726				726
Cash dividends on common stock	[1]	(1,559)			(1,559)
Ending balance at Mar. 31, 2020		$ 169,027	$ 9,741	$ 110,836	$ 45,549	$ 2,901

[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.