Stock Based Compensation (Stock Options Activity) (Details) (USD $)	0 Months Ended	12 Months Ended
Feb. 01, 2011	Dec. 31, 2012	Dec. 31, 2011
Stock Based Compensation [Abstract]
Outstanding at beginning of year, Number of Shares		318,002	368,437
Granted, Number of Shares			15,000
Exercised, Number of Shares		(24,985)	(62,185)
Expired/Forfeited, Number of Shares		(750)	(3,250)
Outstanding at end of year, Number of Shares		292,267	318,002
Outstanding at beginning of year, Weighted Average Exercise Price		$ 9.89	$ 9.21
Granted, Weighted Average Exercise Price	$ 13.30		$ 13.30
Exercised, Weighted Average Exercise Price		$ 7.09	$ 6.82
Expired/Forfeited, Weighted Average Exercise Price		$ 6.76	$ 7.23
Outstanding at end of year, Weighted Average Exercise Price		$ 10.13	$ 9.89
Exercisable, Number of Shares		272,142	257,252
Exercisable, Weighted Average Exercise Price		$ 10.27	$ 10.44

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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.

+ References

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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.

+ References

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For presentations that combine terminations, 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 or that expired.

+ References

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Weighted average price of options that were either forfeited or expired.

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Net number of share options (or share units) granted during the period.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees can acquire the shares reserved for issuance on stock options awarded.

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No definition available.

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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Number of share options (or share units) exercised during the current period.

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