Earning Per Common Share (Schedule of Earnings Per Share, Basic and Diluted) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	1 Months Ended	3 Months Ended		9 Months Ended
	Feb. 28, 2013	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Earnings Per Common Share [Abstract]
Income (loss) from continuing operations		$ 9,793	$ 8,464	$ 22,001	$ 8,122
Income from discontinued operations			(239)	14	1,402
Net income (loss)		$ 9,793	$ 8,225	$ 22,015	$ 9,524
Weighted average shares		10,182	10,141	10,171	10,117
Denominator for basic earnings per common share		10,182	10,141	10,171	10,117
Employee stock options		11	15	11	16
Other stock compensation plans		88	50	73	78
Dilutive potential common shares		99	65	84	94
Denominator for diluted earnings per common share - adjusted weighted average shares and assumed conversions		10,281	10,206	10,255	10,211
Basic earnings per common share: From continuing operations		$ 0.96	$ 0.83	$ 2.16	$ 0.80
Basic earnings per common share: From discontinued operations			$ (0.02)	$ 0.00	$ 0.14
Basic earnings (loss) per common share		$ 0.96	$ 0.81	$ 2.16	$ 0.94
Diluted earnings per common share: From continuing operations		$ 0.95	$ 0.83	$ 2.15	$ 0.80
Diluted earnings per common share: From discontinued operations			$ (0.02)	$ 0.00	$ 0.14
Diluted earnings (loss) per common share		$ 0.95	$ 0.81	$ 2.15	$ 0.93
Common Stock, Dividends, Per Share, Declared	$ 0.03	$ 0.030	$ 0.025	$ 0.090	$ 0.075