Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balances at Dec. 31, 2015	$ 8,698	$ 171,353	$ (7,937)	$ 172,114
Net income		3,779		3,779
Other comprehensive income (loss), net of tax			3,344	3,344
Balances at Mar. 31, 2016	8,698	175,132	(4,593)	179,237
Balances at Dec. 31, 2016	8,698	178,224	(8,659)	178,263
Net income		3,649		3,649
Other comprehensive income (loss), net of tax			1,075	1,075
Balances at Mar. 31, 2017	$ 8,698	$ 181,873	$ (7,584)	$ 182,987