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- Definition

Estimated forfeiture rate used for recording stock-based compensation expense.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award option expiration period.

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- Definition

Share based compensation performance based stock award shares earned.

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No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)(i)

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-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph g(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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- Definition

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

+ References

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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-Topic 718

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- Definition

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

+ References

No definition available.

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- Definition

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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Equity Based Compensation (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Equity Based Compensation (Textual) [Abstract]
Compensation expense, recognition period	2 years 4 months 24 days
Performance-based awards outstanding	697,500		747,500
Stock-based compensation expense	$ 711	$ 463
Equity Based Compensation (Additional Textual) [Abstract]
Shares available for future grants Under 2004 Incentive Stock Plan	1,153,602
Total unrecognized compensation cost	$ 5,638
Options granted	0	0
Estimated forfeiture rate used for recording stock-based compensation expense	5.00%
Stock option expiration period	10 years
Outstanding performance based stock award shares earned	236,803
Performance Shares [Member]
Equity Based Compensation (Textual) [Abstract]
Stock Option, Vesting period	3 years
Performance-based awards outstanding	361,603
Minimum [Member] \| Restricted Stock [Member]
Equity Based Compensation (Textual) [Abstract]
Stock Option, Vesting period	1 year
Compensation expense, recognition period	1 year
Maximum [Member] \| Restricted Stock [Member]
Equity Based Compensation (Textual) [Abstract]
Stock Option, Vesting period	3 years
Compensation expense, recognition period	3 years