Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2018	16,334,000
Balance at Dec. 31, 2018	$ 52,284	$ 89,045	$ (3,008)	$ 138,321
Net income		2,306		2,306
Other comprehensive income, net of tax			2,514	2,514
Comprehensive income				4,820
Dividend declared on common stock		(725)		(725)
Stock issued for Merchants acquisition (in shares)	1,834,000
Stock issued for Merchants acquisition	$ 19,606			19,606
Stock compensation grants (in shares)	6,000
Stock issued under employee plans	$ 58			58
Restricted stock granted, net (in shares)	(31,000)
Restricted stock granted, net
Stock options exercised (in shares)	8,000
Stock options exercised	$ 40			40
Compensation expense associated with restricted stock, net of cash paid for shares surrendered for tax-withholding purposes	$ (22)			(22)
Restricted stock granted, net (in shares)	31,000
Balance (in shares) at Mar. 31, 2019	18,213,000
Balance at Mar. 31, 2019	$ 71,966	90,626	(494)	162,098
Net income		3,644		3,644
Other comprehensive income, net of tax			2,897	2,897
Comprehensive income				6,541
Dividend declared on common stock		(907)		(907)
Restricted stock granted, net (in shares)	(1,000)
Restricted stock granted, net
Compensation expense associated with restricted stock, net of cash paid for shares surrendered for tax-withholding purposes	$ 121			121
Restricted stock granted, net (in shares)	1,000
Balance (in shares) at Jun. 30, 2019	18,214,000
Balance at Jun. 30, 2019	$ 72,087	93,363	2,403	167,853
Net income		4,642		4,642
Other comprehensive income, net of tax			(66)	(66)
Comprehensive income				4,576
Dividend declared on common stock		(905)		(905)
Restricted stock granted, net (in shares)	2,000
Restricted stock granted, net
Compensation expense associated with restricted stock, net of cash paid for shares surrendered for tax-withholding purposes	$ 113			113
Restricted stock granted, net (in shares)	(2,000)
Balance (in shares) at Sep. 30, 2019	18,212,000
Balance at Sep. 30, 2019	$ 72,200	97,100	2,337	171,637
Net income		4,369		4,369
Other comprehensive income, net of tax			264	264
Comprehensive income				4,633
Dividend declared on common stock		(903)		(903)
Restricted stock granted, net (in shares)	(13,000)
Restricted stock granted, net
Stock options exercised (in shares)	3,000
Stock options exercised	$ 12			12
Compensation expense associated with restricted stock, net of cash paid for shares surrendered for tax-withholding purposes	$ 109			109
Restricted stock granted, net (in shares)	13,000
Repurchase of common stock (in shares)	(91,000)
Repurchase of common stock	$ (1,010)			$ (1,010)
Balance (in shares) at Dec. 31, 2019	18,137,000			18,137,167
Balance at Dec. 31, 2019	$ 71,311	100,566	2,601	$ 174,478
Net income		916		916
Other comprehensive income, net of tax			3,346	3,346
Comprehensive income				4,262
Dividend declared on common stock		(838)		(838)
Stock issued under employee plans
Restricted stock granted, net (in shares)	(11,000)
Restricted stock granted, net
Compensation expense associated with restricted stock, net of cash paid for shares surrendered for tax-withholding purposes	$ (14)			(14)
Restricted stock granted, net (in shares)	11,000
Repurchase of common stock (in shares)	(1,352,000)
Repurchase of common stock	$ (12,230)			$ (12,230)
Balance (in shares) at Mar. 31, 2020	16,796,000			16,796,262
Balance at Mar. 31, 2020	$ 59,067	$ 100,644	$ 5,947	$ 165,658