Stock Options, Restricted Stock and Restricted Stock Units (Details 1) (Stock Options [Member], USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Stock Options [Member]
Schedule of stock option activity
Beginning Balance, Number of shares	100,000	100,000	100,000
Grants, Number of shares	100,000
Exercises, Number of shares
Forfeitures/Expirations, Number of shares	(100,000)
Ending Balance, Number of shares	100,000	100,000	100,000	100,000
Exercisable, Number of shares		100,000	100,000
Beginning Balance, Weighted-average exercise price	$ 107.28	$ 107.28	$ 107.28
Grants, Weighted-average exercise price	$ 51.95
Exercises, Weighted-average exercise price
Forfeitures/Expirations, Weighted-average exercise price	$ 107.28
Ending Balance, Weighted-average exercise price	$ 51.95	$ 107.28	$ 107.28	$ 107.28
Exercisable, Weighted-average exercise price	$ 51.95	$ 107.28	$ 107.28
Weighted-average remaining contractual life (yrs.)	7 years	1 month 6 days	1 year 1 month 6 days	2 years 1 month 6 days
Exercisable, Weighted-average remaining contractual life (yrs.)	0 years
Beginning Balance, Aggregate intrinsic value			$ 4,494
Ending Balance, Aggregate intrinsic value				4,494
Exercisable, Aggregate intrinsic value

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)

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

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- Definition

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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- 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

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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

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

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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

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.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

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- Definition

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

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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-Subparagraph (c)(1)(i)

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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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-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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No definition available.

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

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