Share-Based Compensation Plans (Details) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Roll Forward
Shares outstanding, Beginning	94,750	90,750	89,650
Weighted Average Exercise Price, Beginning	$ 9.09	$ 10.11	$ 11.77
Stock options and Granted	30,000	27,000	26,500
Stock options and Granted, Weighted Average Exercise Price Per Award	$ 7.80	$ 8.75	$ 8.35
Stock options and Exercised			(1,500)
Stock options and Exercised, Weighted Average Exercise Price Per Award			$ 7.65
Stock options and Expired	(12,250)	(23,000)	(23,900)
Stock options and Expired, Weighted Average Exercise Price Per Award	$ 14.01	$ 12.72	$ 14.54
Outstanding and exercisable	112,500	94,750	90,750
Outstanding and exercisable, weighted average exercise price	$ 8.21	$ 9.09	$ 10.11
Weighted-average fair value per share of stock options granted during the year	$ 0.40	$ 1.10	$ 1.24

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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