Common Stock 选项, Warrants And Changes In Capitalization (Details) (USD $)
In Thousands, except Share data, unless otherwise specified |
12个月结束 | 0月结束 | 1月结束 | 0月结束 | 96个月结束 | |||||||||||||||||||
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12月. 31, 2013
|
12月. 31, 2012
|
12月. 31, 2011
|
3月. 31, 2012
|
2月. 15, 2013
Utica页岩[成员]
英亩
|
12月. 24, 2012
Utica页岩[成员]
英亩
|
12月. 19, 2012
Utica页岩[成员]
英亩
|
12月. 17, 2012
Utica页岩[成员]
英亩
|
3月. 31, 2002
私募〔成员〕
|
12月. 31, 2012
私募〔成员〕
|
11月. 13, 2013
普通股〔成员〕
公开发售〔成员〕
|
2月. 15, 2013
普通股〔成员〕
公开发售〔成员〕
|
1月. 07, 2013
普通股〔成员〕
公开发售〔成员〕
|
12月. 24, 2012
普通股〔成员〕
公开发售〔成员〕
|
12月. 05, 2011
普通股〔成员〕
公开发售〔成员〕
|
7月. 15, 2011
普通股〔成员〕
公开发售〔成员〕
|
3月. 30, 2011
普通股〔成员〕
公开发售〔成员〕
|
12月. 31, 2013
1999 Stock Option Plan [Member]
普通股〔成员〕
|
12月. 31, 2012
1999 Stock Option Plan [Member]
普通股〔成员〕
|
12月. 31, 2012
2005 Stock Incentive Plan [Member]
普通股〔成员〕
|
4月. 20, 2006
2005 Stock Incentive Plan [Member]
普通股〔成员〕
|
4月. 19, 2006
2005 Stock Incentive Plan [Member]
普通股〔成员〕
|
4月. 19, 2013
2013 Restated Stock Incentive Plan [Member]
普通股〔成员〕
|
4月. 20, 2006
2013 Restated Stock Incentive Plan [Member]
普通股〔成员〕
|
|
Common Stock 选项, Restricted Stock, Warrants And Changes In Capitalization [Line Items] | ||||||||||||||||||||||||
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant | 883,000 | 3,000,000 | 1,904,606 | 7,500,000 | 3,000,000 | |||||||||||||||||||
Share-based Compensation Arrangement by Share-based Payment Award, 选项, 授予的总选择权 | 627,337 | 627,337 | ||||||||||||||||||||||
Share-based Compensation Arrangement by Share-based Payment Award, 选项, Grants in Period, Gross | 997,269 | |||||||||||||||||||||||
Issuance of common stock in public offering (shares) | 7,475,000 | 8,912,500 | 11,750,000 | 4,600,000 | 3,450,000 | 2,760,000 | ||||||||||||||||||
Stock option, portion available to underwriters (shares) | 1,650,000 | |||||||||||||||||||||||
Stock option, portion attributable to underwriters (shares) | 900,000 | 750,000 | ||||||||||||||||||||||
股价(每股美元) | $ 56.75 | $ 38.00 | $ 38.00 | $ 29.00 | $ 28.75 | $ 32.00 | ||||||||||||||||||
Proceeds from issuance of common stock, net of offering costs | $ 766,495 | $ 427,091 | $ 307,154 | $ 325,800 | $ 460,700 | $ 408,000 | $ 325,800 | $ 460,700 | $ 128,000 | $ 94,700 | $ 84,300 | |||||||||||||
提供的私募单位 | 10,000 | |||||||||||||||||||||||
Class of Warrant or Right Number of Securities Called by Each Warrant or Right | 250 | |||||||||||||||||||||||
Common stock, par value (usd per share) | $ 0.01 | $ 0.01 | $ 0.01 | |||||||||||||||||||||
优先股股息率 | 12.00% | 12.00% | 15.00% | |||||||||||||||||||||
Preferred Stock, Dividend Rate, Stock, Percentage | 12.00% | |||||||||||||||||||||||
Class of Warrant or Right, Outstanding | 2,322,962 | |||||||||||||||||||||||
权证到期期限 | 10年 | |||||||||||||||||||||||
Class of Warrant or Right, Exercise Price of Warrants or Rights | 1.19 | |||||||||||||||||||||||
Gas and oil 英亩age, undeveloped, net | 22,000 | 37,000 | 7,000 | 30,000 | ||||||||||||||||||||
Class Of Warrant Or Right, Expired | 8,875 |