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, 2018	$ 8,698	$ 193,625	$ (12,085)	$ 190,238
Net income		4,443		4,443
Common stock repurchased	(566)	(17,431)		(17,997)
Other comprehensive income (loss), net of tax			4,544	4,544
Balance at Mar. 31, 2019	8,132	180,637	(7,541)	181,228
Balance at Dec. 31, 2019	8,112	184,120	(8,506)	183,726
Net income		3,979		3,979
Other comprehensive income (loss), net of tax			3,854	3,854
Balance at Mar. 31, 2020	$ 8,112	$ 188,099	$ (4,652)	$ 191,559