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.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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-Section 50

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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

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-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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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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Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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Stock-Based Compensation (Stock Options By Exercise Price Range) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding	271,752	292,267	318,002
Weighted Average Remaining Contractual Life in Years	4 years 10 months 24 days
Weighted Average Exercise Price	$ 9.99	$ 10.13	$ 9.89
Options Exercisable	271,752
Weighted Average Exercise Price	$ 9.99	$ 10.27
$5.00 - 7.50 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	$ 5.00
Exercise Price Range, Upper Range Limit	$ 7.50
Options Outstanding	89,502
Weighted Average Remaining Contractual Life in Years	5 years 7 months 6 days
Weighted Average Exercise Price	$ 6.23
Options Exercisable	89,502
Weighted Average Exercise Price	$ 6.23
$7.51 - 11.25 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	$ 7.51
Exercise Price Range, Upper Range Limit	$ 11.25
Options Outstanding	77,750
Weighted Average Remaining Contractual Life in Years	6 years 3 months 18 days
Weighted Average Exercise Price	$ 8.34
Options Exercisable	77,750
Weighted Average Exercise Price	$ 8.33
$11.26 - 16.50 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	$ 11.26
Exercise Price Range, Upper Range Limit	$ 16.50
Options Outstanding	75,000
Weighted Average Remaining Contractual Life in Years	4 years
Weighted Average Exercise Price	$ 13.45
Options Exercisable	75,000
Weighted Average Exercise Price	$ 13.45
$16.51 - 17.25 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	$ 16.51
Exercise Price Range, Upper Range Limit	$ 17.25
Options Outstanding	29,500
Weighted Average Remaining Contractual Life in Years	10 months 24 days
Weighted Average Exercise Price	$ 16.94
Options Exercisable	29,500
Weighted Average Exercise Price	$ 16.94