Stockholders' Equity (Stock Option Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	9 Months Ended
Sep. 30, 2014
Shares
Beginning balance	620
Exercised	(40)
Options forfeited and retired	(250)
Expired	(12)
Ending balance	318
Exercisable	316
Weighted Average Exercise Price
Beginning balance (USD per share)	$ 7.74
Exercised (USD per share)	$ 8.55
Options forfeited and retired (USD per share)	$ 8.40
Expired (USD per share)	$ 10.69
Ending balance (USD per share)	$ 7.01
Exercisable	$ 7.02
Weighted average remaining contractual term, outstanding	4 years 3 months 18 days
Weighted average remaining contractual term, exercisable	4 years 3 months 18 days
Aggregate intrinsic value, outstanding	$ 1,287
Aggregate intrinsic value, exercisable	$ 1,269

Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeited and Retired in Period

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- Definition

Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeited and Retired in Period, Weighted Average Exercise Price

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No definition available.

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- Definition

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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- Definition

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iii)

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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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- Definition

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

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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.

+ 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 (c)(1)(iv)(4)

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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- Definition

Number of options outstanding, including both vested and non-vested options.

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-Publisher FASB

-Name Accounting Standards Codification

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-Subparagraph (c)(1)(i)-(ii)

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- Definition

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

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- Definition

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

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

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

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

+ References

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- Definition

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

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

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