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Earnings Per Share (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Earnings Per Share [Abstract]
Basic EPS weighted average shares outstanding	3,278,000	3,292,000	3,279,000	3,001,000
Dilutive effect of stock options	8,000	1,000	5,000	1,000
Diluted EPS weighted average shares outstanding	3,286,000	3,293,000	3,284,000	3,002,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount			60,000	165,150
Share Price	$ 30.20	$ 24.02	$ 30.20	$ 24.02	$ 27.47

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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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