Net Loss Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Net Loss Per Share
Net loss	$ (193,554)us-gaap_NetIncomeLoss	$ (83,645)us-gaap_NetIncomeLoss
Preferred Dividend	(131)	(2,620)
Net loss attributable to shareholders	(193,685)	(86,265)
NET LOSS ATTRIBUTABLE TO COMMON SHAREHOLDERS	$ (193,685)	$ (86,265)
Weighted average shares outstanding	67,261,000	65,987,000
Net loss per common share - basic and diluted	$ (2.88)us-gaap_EarningsPerShareBasicAndDiluted	$ (1.31)us-gaap_EarningsPerShareBasicAndDiluted
Aggregate number of common shares outstanding	71,650,849us-gaap_CommonStockSharesOutstanding		69,957,055us-gaap_CommonStockSharesOutstanding
Restricted stock awards
Net Loss Per Share
Aggregate number of common shares outstanding	4,110,542

Represents the portion of net income (loss) which is attributable to shareholders of the entity.

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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- Definition

The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References

No definition available.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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- Definition

The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.

+ References

No definition available.

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- Definition

Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

+ References

No definition available.

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