CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Deferred Compensation, Share-based Payments [Member]	AOCI Attributable to Parent [Member]	Total
Beginning balance, value at Dec. 31, 2018	$ 281	$ 43,770	$ 60,339	$ (711)	$ (220)	$ 103,459
Shares, Outstanding, Beginning Balance at Dec. 31, 2018	2,806,781
Net income for year			11,136			11,136
Other comprehensive loss, net of tax					1,577	1,577
Common stock dividends declared ($1.21 per share)			(3,155)			(3,155)
Stock options exercised		82				82
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	4,725
Issuance of restricted common stock	$ 2	457		(459)
Stock Issued During Period, Shares, Restricted Stock Award, Gross	11,530
Forfeiture of restricted common stock		(31)		31
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period	(710)
Issuance of directors restricted stock awards		142		(142)
[custom:StockIssuedDuringPeriodSharesDirectorsRestrictedStockAwards]	3,600
Retired Common Stock
Stock Repurchased and Retired During Period, Shares	(14)
Stock based compensation-restricted stock awards		70		486		556
Ending balance, value at Dec. 31, 2019	$ 283	44,490	68,320	(795)	1,357	113,655
Shares, Outstanding, Ending Balance at Dec. 31, 2019	2,825,912
Net income for year			11,940			11,940
Other comprehensive loss, net of tax					1,647	1,647
Common stock dividends declared ($1.21 per share)			(3,286)			(3,286)
Stock options exercised		53				53
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	3,105
Issuance of restricted common stock	$ 1	439		(440)
Stock Issued During Period, Shares, Restricted Stock Award, Gross	12,275
Forfeiture of restricted common stock		(50)		50
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period	(1,200)
Issuance of directors restricted stock awards		114		(114)
[custom:StockIssuedDuringPeriodSharesDirectorsRestrictedStockAwards]	3,200
Stock based compensation-restricted stock awards		218		525		743
Ending balance, value at Dec. 31, 2020	$ 284	45,264	76,974	(774)	3,004	124,752
Shares, Outstanding, Ending Balance at Dec. 31, 2020	2,843,292
Net income for year			16,473			16,473
Other comprehensive loss, net of tax					(2,134)	(2,134)
Common stock dividends declared ($1.21 per share)			(3,452)			(3,452)
Stock options exercised	$ 1	30				31
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	1,755
Issuance of restricted common stock	$ 1	623		(624)
Stock Issued During Period, Shares, Restricted Stock Award, Gross	13,850
Issuance of directors restricted stock awards		126		(126)
[custom:StockIssuedDuringPeriodSharesDirectorsRestrictedStockAwards]	2,800
Stock based compensation-restricted stock awards		331		599		930
Ending balance, value at Dec. 31, 2021	$ 286	$ 46,374	$ 89,995	$ (925)	$ 870	$ 136,600
Shares, Outstanding, Ending Balance at Dec. 31, 2021	2,861,697