Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income	Total
Beginning balance, shares at Dec. 31, 2017	5,995,256
Beginning balance, amount at Dec. 31, 2017	$ 62,096	$ 50,286	$ 3,593	$ 115,975
Cash dividends declared on common stock		(783)		(783)
Net earnings		3,303		3,303
Change in accumulated other comprehensive income, net of tax			(2,013)	(2,013)
Ending balance, shares at Mar. 31, 2018	5,995,256
Ending balance, amount at Mar. 31, 2018	$ 62,096	52,806	1,580	116,482
Cash dividends declared on common stock		(784)		(784)
Net earnings		3,176		3,176
Change in accumulated other comprehensive income, net of tax			(708)	(708)
Ending balance, shares at Jun. 30, 2018	5,995,256
Ending balance, amount at Jun. 30, 2018	$ 62,096	55,198	872	118,166
Beginning balance, shares at Dec. 31, 2018	5,995,256
Beginning balance, amount at Dec. 31, 2018	$ 62,096	60,535	986	123,617
Common stock repurchase, shares	(5,518)
Common stock repurchase, amount	$ (152)			(152)
Cash dividends declared on common stock		(1,445)		(1,445)
Restricted stock units exercised, shares	7,398
Restricted stock units exercised, amount	$ 207			207
Net earnings		3,667		3,667
Change in accumulated other comprehensive income, net of tax			690	690
Ending balance, shares at Mar. 31, 2019	5,997,136
Ending balance, amount at Mar. 31, 2019	$ 62,151	62,757	1,676	126,584
Common stock repurchase, shares	(63,996)
Common stock repurchase, amount	$ (1,761)			(1,761)
Cash dividends declared on common stock		(832)		(832)
Net earnings		3,813		3,813
Change in accumulated other comprehensive income, net of tax			2,123	2,123
Ending balance, shares at Jun. 30, 2019	5,933,140
Ending balance, amount at Jun. 30, 2019	$ 60,390	$ 65,738	$ 3,799	$ 129,927