Earnings (Loss) per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Basic earnings per share [Abstract]
Weighted average common shares outstanding (in shares)	337,868,000	202,014,000	302,996,000	201,851,000
Net income (loss)	$ 12,114	$ (246,942)	$ (48,441)	$ (540,388)
Basic income (loss) per share (in dollars per share)	$ 0.04	$ (1.22)	$ (0.16)	$ (2.68)
Diluted earnings per share [Abstract]
Weighted-average shares - Basic (in shares)	337,868,000	202,014,000	302,996,000	201,851,000
Common stock equivalents (in shares)	1,558,000	0	0	0
Weighted-average shares - Diluted (in shares)	339,426,000	202,014,000	302,996,000	201,851,000
Net income (loss)	$ 12,114	$ (246,942)	$ (48,441)	$ (540,388)
Diluted income (loss) per share (in dollars per share)	$ 0.04	$ (1.22)	$ (0.16)	$ (2.68)
Participating Securities [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from EPS calculation (in shares)		1,100,000	100,000	1,100,000
Participating securities included weighted average number of common shares outstanding	100,000
Common Stock Equivalents [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from EPS calculation (in shares)	126,500,000	55,400,000	109,600,000	55,600,000