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Shareholder Rights Agreement (Details)	12 Months Ended
	Dec. 31, 2013
Details
Number of preferred stock purchase rights attached to each outstanding share of common stock	one
Number of Series A Junior Participating Preferred Stock Each Right Entitles the Holder to Purchase	one one-hundredth
Exercise price per right (in dollars per share)	$75
Minimum percentage of outstanding common stock to be acquired to Trigger Rights Exchange for Common Stock	10 percent

X

- Definition

Represents the purchase price of the preferred stock per right.

+ References

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+ Details

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X

- Definition

Represents the minimum percentage of outstanding common stock to be acquired to trigger rights exchanged for common stock.

+ References

No definition available.

+ Details

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X

- Definition

Number of preferred stock purchase rights attached to each outstanding share of the Entity's common stock.

+ References

No definition available.

+ Details

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X

- Definition

Represents the number of Series A Junior Participating Preferred Stock each right entitles the holder to purchase from the Company per the Entity's shareholder rights agreement.

+ References

No definition available.

+ Details

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