CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Common Stock	Capital Surplus	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2018		5,680,993
Beginning balance at Dec. 31, 2018	$ 137,625	$ 2,367	$ 83,225	$ 57,843	$ (4,370)	$ (1,440)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (Loss) Income	9,650			9,650
Other Comprehensive Income (Loss)	4,482					4,482
Restricted Stock Awards Forfeited	0		8		(8)
Restricted Stock Awards Granted	0		(11)		11
Stock-Based Compensation Expense	230		230
Exercise of Stock Options	22		5		17
Dividends Paid	(3,911)			(3,911)
Ending balance (in shares) at Sep. 30, 2019		5,680,993
Ending balance at Sep. 30, 2019	148,098	$ 2,367	83,457	63,582	(4,350)	3,042
Beginning balance (in shares) at Jun. 30, 2019		5,680,993
Beginning balance at Jun. 30, 2019	145,507	$ 2,367	83,380	61,140	(4,350)	2,970
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (Loss) Income	3,746			3,746
Other Comprehensive Income (Loss)	72					72
Stock-Based Compensation Expense	77		77
Dividends Paid	(1,304)			(1,304)
Ending balance (in shares) at Sep. 30, 2019		5,680,993
Ending balance at Sep. 30, 2019	148,098	$ 2,367	83,457	63,582	(4,350)	3,042
Beginning balance (in shares) at Dec. 31, 2019		5,680,993
Beginning balance at Dec. 31, 2019	151,097	$ 2,367	82,971	66,955	(3,842)	2,646
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (Loss) Income	(13,719)			(13,719)
Other Comprehensive Income (Loss)	1,425					1,425
Restricted Stock Awards Forfeited	0		96		(96)
Restricted Stock Awards Granted	0		(103)		103
Stock-Based Compensation Expense	370		370
Exercise of Stock Options	(78)		4		(82)
Treasury stock purchased, at cost (67,816 shares)	(1,908)				(1,908)
Dividends Paid	(3,888)			(3,888)
Ending balance (in shares) at Sep. 30, 2020		5,680,993
Ending balance at Sep. 30, 2020	133,299	$ 2,367	83,338	49,348	(5,825)	4,071
Beginning balance (in shares) at Jun. 30, 2020		5,680,993
Beginning balance at Jun. 30, 2020	152,392	$ 2,367	83,327	68,039	(5,928)	4,587
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (Loss) Income	(17,395)			(17,395)
Other Comprehensive Income (Loss)	(516)					(516)
Restricted Stock Awards Granted	0		(103)		103
Stock-Based Compensation Expense	114		114
Dividends Paid	(1,296)			(1,296)
Ending balance (in shares) at Sep. 30, 2020		5,680,993
Ending balance at Sep. 30, 2020	$ 133,299	$ 2,367	$ 83,338	$ 49,348	$ (5,825)	$ 4,071