Stockholders' Equity and Earnings per Share, OCI by Component, Anti-Dilutive Securities (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Computation of earnings per share [Abstract]
Net Income Available to Common Shareholders, Basic	$ 942	$ 942
Net Income Available to Common Stockholders, Diluted	$ 942	$ 942
Weighted Average Common Shares, Basic (in shares)	5,020,075	4,977,267
Potentially dilutive common shares - stock options (in shares)	0	15,000
Potentially dilutive common shares - employee stock purchase program (in shares)	0	0
Weighted Average Common Shares, Diluted (in shares)	5,020,146	4,991,864
Earnings Per Share, Basic (in dollars per share)	$ 0.19	$ 0.19
Earnings Per Share, Diluted (in dollars per share)	$ 0.19	$ 0.19
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	0	0

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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