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Share-Based Compensation (Details) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Certain information related to stock options and non-vested shares
Stock Options Number of Shares beginning balance	6,685		6,720
Stock Options Weighted Average Exercise Price Outstanding beginning balance	$ 4.79		$ 4.78
Non-Vested Shares Number of Shares beginning balance	502		801
Non-Vested Shares Weighted Average Grant Date Fair Value beginning balance	$ 5.66		$ 5.67
Stock Options Number of Shares Granted
Stock Options Weighted Average Exercise Price Granted
Non-Vested Shares Number of Shares Granted
Non-Vested Shares Weighted Average Grant Date Fair Value		$ 3,366		$ 3,366
Stock Options Number of Shares Forfeited
Stock Options Weighted Average Exercise Price Forfeited
Non-Vested Shares Number of Shares Forfeited
Non-Vested Shares Weighted Average Grant Date Fair Value Forfeited
Stock Options Number of Shares Exercised	(200)		(235)
Stock Options Weighted Average Exercise Price Exercised	$ 2.31		$ 2.35
Non Vested Number of Shares Exercised
Non Vested Shares Weighted Average Grant Date Fair Value Exercised
Stock Options Number of Shares Vested
Stock Options Weighted Average Exercise Price Vested
Non-Vested Shares Number of Shares Vested			(299)
Non-Vested Shares Weighted Average Grant Date Fair Value Vested			$ 5.69
Non Vested Number of Shares Expired
Non Vested Weighted Average Grant Date Fair Value Expired
Stock Options Number of Shares Expired
Stock Options Weighted Average Exercise Price Expired
Stock Options Number of Shares ending balance	6,485		6,485
Stock Options Weighted Average Exercise Price Outstanding ending balance	$ 4.87		$ 4.87
Stock Options Aggregate Intrinsic Value ending balance	$ 660,000		$ 660,000
Stock Options Weighted Average Remaining Term ending balance	2 years 3 months 18 days		2 years 3 months 18 days
Non-Vested Shares Number of Shares ending balance	502		502
Non-Vested Shares Weighted Average Grant Date Fair Value ending balance	$ 5.66		$ 5.66
Stock Options Number of Shares Exercisable	6,062		6,062
Stock Options Weighted Average Exercise Price Exercisable	$ 4.88		$ 4.88
Stock Options Aggregate Intrinsic Value Exercisable	$ 660		$ 660
Exercisable Stock Options Weighted Average Remaining Term	2 years 1 month 6 days		2 years 1 month 6 days

X

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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Number of shares under non-option equity instrument agreements for which rights to exercise lapsed.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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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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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28,29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



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-Name Accounting Standards Codification

-Topic 718

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-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901



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-Number 210

-Section 04

-Article 3



Reference 4: http://www.xbrl.org/2003/role/presentationRef

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-Name Regulation S-X (SX)

-Number 210

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-Paragraph 29, 30

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 505

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-Section 50

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non vested shares weighted average grand date fair value.

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