Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance at Dec. 31, 2017	$ 8,698	$ 185,893	$ (9,695)	$ 184,896
Net income		3,296		3,296
Other comprehensive income (loss), net of tax			(2,655)	(2,655)
Balance at Mar. 31, 2018	8,698	189,189	(12,350)	185,537
Balance at Dec. 31, 2018	8,698	193,625	(12,085)	190,238
Net income		4,443		4,443
Other comprehensive income (loss), net of tax			4,544	4,544
Balance at Mar. 31, 2019	8,132	180,637	(7,541)	181,228
Common stock repurchased	$ (566)	$ (17,431)		$ (17,997)