Earnings Per Share (Calculation of Basic and Diluted Earnings Per Share - Current Period) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income	$ 2,721	$ 3,555	$ 6,831	$ 7,022
Net income allocated to participating securities	19	37	82	66
Net income allocated to common shareholders	$ 2,702	$ 3,518	$ 6,749	$ 6,956
Weighted average common shares outstanding - basic (in shares)	7,676	7,741	7,636	7,746
Effect of dilutive securities:
Weighted average common shares outstanding - diluted (in shares)	7,721	7,856	7,713	7,862
EPS available to common shareholders
Basic earnings per common share (in dollars per share)	$ 0.35	$ 0.46	$ 0.88	$ 0.91
Diluted earnings per common share (in dollars per share)	$ 0.35	$ 0.45	$ 0.88	$ 0.89
Earnings per share calculation under two-class method
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Weighted average common shares - issued (in shares)	7,732	7,739	7,729	7,746
Average unvested restricted share awards (in shares)	(56)	(81)	(93)	(74)
Weighted average common shares outstanding - basic (in shares)	7,676	7,658	7,636	7,672
Effect of dilutive securities:
Weighted average common stock equivalents (in shares)	45	114	77	116
Weighted average common shares outstanding - diluted (in shares)	7,721	7,772	7,713	7,788