Stockholders' Equity and Earnings per Share, OCI by Component, Anti-Dilutive Securities (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Computation of earnings per share [Abstract]
Net Income (loss) Available to Common Stockholders, Basic	$ 2,027	$ 942
Net Income Available to Common Stockholders, Diluted	$ 2,027	$ 942
Weighted Average Common Shares, Basic (in shares)	5,186,807	5,020,075
Potentially dilutive common shares - stock options (in shares)	0	0
Potentially dilutive common shares - employee stock purchase program (in shares)	0	0
Weighted Average Common Shares, Diluted (in shares)	5,186,907	5,020,146
Earnings Per Share, Basic (in dollars per share)	$ 0.39	$ 0.19
Earnings Per Share, Diluted (in dollars per share)	$ 0.39	$ 0.19
Stock Options [Member]
Earnings Per Share [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)	100	71