Consolidated Statements of Changes in Stockholders' Equity (unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2014	$ 24,795	$ 16,392	$ 53,203	$ (5,893)	$ 88,497
Balance (in shares) at Dec. 31, 2014	4,959,009
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	3,324	0	3,324
Net change for quarter	0	0	0	262	262
Cash dividends	0	0	(1,239)	0	(1,239)
Balance at Sep. 30, 2015	$ 24,795	16,392	55,288	(5,631)	90,844
Balance (in shares) at Sep. 30, 2015	4,959,009
Balance at Dec. 31, 2015	$ 24,795	16,392	55,151	(3,162)	$ 93,176
Balance (in shares) at Dec. 31, 2015	4,959,009				4,959,009
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	2,902	0	$ 2,902
Net change for quarter	0	0	0	1,877	1,877
Cash dividends	0	0	(1,488)	0	(1,488)
Balance at Sep. 30, 2016	$ 24,795	$ 16,392	$ 56,565	$ (1,285)	$ 96,467
Balance (in shares) at Sep. 30, 2016	4,959,009				4,959,009