Stock Options and Stock-Based Compensation Stock Options Outstanding (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 31, 2014	Dec. 31, 1995	Mar. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at December 31, 2013, Number of Shares	42,000		42,000
Granted in 2014, Number of Shares	0	600,000
Exercised in 2014, Number of Shares	0
Forfeited in 2014, Number of Shares	0
Outstanding at March 31, 2014, Number of Shares	42,000		42,000
Exercisable at March 31, 2014, Number of Shares	42,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding at December 31, 2013, Weighted Average Exercise Price (usd per share)	$ 18.00
Granted in 2014, Weighted Average Exercise Price (usd per share)	$ 0.00
Exercised in 2014, Weighted Average Exercise Price (usd per share)	$ 0.00
Forfeited in 2014, Weighted Average Exercise Price (usd per share)	$ 0.00
Outstanding at March 31, 2014, Weighted Average Exercise Price (usd per share)	$ 18.00
Exercisable at March 31, 2014, Weighted Average Exercise Price (usd per share)	$ 18.00
Outstanding at March 31, 2014, Weighted Average Remaining Contractual Term	8 months
Exercisable at March 31, 2014, Weighted Average Remaining Contractual Term	8 months
Exercised in 2014, Aggregate Intrinsic Value	$ 0
Outstanding at March 31, 2014, Aggregate Intrinsic Value	0
Exercisable at March 31, 2014, Aggregate Intrinsic Value	$ 0

Total aggregate intrinsic value on shares exercised.

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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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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.

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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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- Definition

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

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(3)-(4)

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

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- Definition

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.

+ References

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-Publisher FASB

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

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

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

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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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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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

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-Name Regulation S-X (SX)

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