Stock Compensation (Details) (USD $)	9 Months Ended
Sep. 30, 2012
Summary of Company's stock option activity
Number of shares, Outstanding at January 1, 2012	270,634
Number of shares, Granted	0
Number of shares, Exercised	0
Number of shares, Forfeited	0
Number of shares, Expired	(55,291)
Number of shares, Outstanding at September 30, 2012	215,343
Number of shares, Exercisable at September 30, 2012	197,713
Weighted Average Exercise Price, Outstanding at January 1, 2012	$ 23.51
Weighted Average Exercise Price, Granted	$ 0.00
Weighted Average Exercise Price, Exercised	$ 0.00
Weighted Average Exercise Price, Forfeited	$ 0.00
Weighted Average Exercise Price, Expired	$ 18.92
Weighted Average Exercise Price, Outstanding at September 30, 2012	$ 24.68
Weighted Average Exercise Price, Exercisable at September 30,2012	$ 24.76
Weighted Average Contractual Term (in years), Outstanding at September 30, 2012	3 years 3 months 18 days
Weighted Average Contractual Term (in years), Exercisable at September 30, 2012	3 years 1 month 6 days
Aggregate Intrinsic Value, Outstanding at September 30, 2012	$ 0
Aggregate Intrinsic Value, Exercisable at September 30, 2012	$ 0

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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