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Debt (Details Textual) (USD $)
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3 Months Ended | 9 Months Ended | 1 Months Ended | 7 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 1 Months Ended | 1 Months Ended | 1 Months Ended | 1 Months Ended | 1 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 9 Months Ended | 1 Months Ended | 9 Months Ended | |||||||||||||||||||||||
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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Jan. 31, 2013
7% Exchangeable Senior Subordinated Notes due 2014 [Member]
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Sep. 30, 2013
7% Exchangeable Senior Subordinated Notes due 2014 [Member]
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Sep. 30, 2013
7% Exchangeable Senior Subordinated Notes due 2014 [Member]
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Dec. 31, 2012
7% Exchangeable Senior Subordinated Notes due 2014 [Member]
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Sep. 30, 2012
7% Exchangeable Senior Subordinated Notes due 2014 [Member]
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Aug. 31, 2008
7% Exchangeable Senior Subordinated Notes due 2014 [Member]
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Sep. 30, 2013
7.625% Senior Notes due 2018 [Member]
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Sep. 30, 2013
7.625% Senior Notes due 2018 [Member]
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Sep. 25, 2013
7.625% Senior Notes due 2018 [Member]
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Dec. 31, 2012
7.625% Senior Notes due 2018 [Member]
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Oct. 31, 2010
7.625% Senior Notes due 2018 [Member]
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Sep. 30, 2013
5.25% Senior Notes due 2022 [Member]
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Dec. 31, 2012
5.25% Senior Notes due 2022 [Member]
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Aug. 31, 2012
5.25% Senior Notes due 2022 [Member]
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May 31, 2013
4.25% Senior Notes Due 2020 [Member]
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Sep. 30, 2013
4.25% Senior Notes Due 2020 [Member]
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Dec. 31, 2012
4.25% Senior Notes Due 2020 [Member]
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May 31, 2013
4.625% Senior Notes Due 2023 [Member]
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Sep. 30, 2013
4.625% Senior Notes Due 2023 [Member]
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Dec. 31, 2012
4.625% Senior Notes Due 2023 [Member]
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Aug. 31, 2013
5.75% Senior Notes due 2021 [Member]
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Sep. 30, 2013
5.75% Senior Notes due 2021 [Member]
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Dec. 31, 2012
5.75% Senior Notes due 2021 [Member]
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Sep. 30, 2013
5.875% Senior Notes due 2020 [Member]
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Sep. 19, 2013
5.875% Senior Notes due 2020 [Member]
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Dec. 31, 2012
5.875% Senior Notes due 2020 [Member]
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Mar. 31, 2010
8.75% Senior Notes due 2015 [Member]
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Sep. 30, 2013
8.75% Senior Notes due 2015 [Member]
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Sep. 30, 2013
8.75% Senior Notes due 2015 [Member]
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Dec. 31, 2012
8.75% Senior Notes due 2015 [Member]
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Sep. 30, 2012
9.75% Senior Secured Notes due 2015 [Member]
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Sep. 30, 2012
9.75% Senior Secured Notes due 2015 [Member]
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Aug. 31, 2009
9.75% Senior Secured Notes due 2015 [Member]
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Sep. 30, 2012
13% Senior Notes due 2013 [Member]
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Sep. 30, 2012
13% Senior Notes due 2013 [Member]
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Jul. 31, 2008
13% Senior Notes due 2013 [Member]
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Sep. 30, 2013
Senior Secured Revolving Credit Facility [Member]
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Dec. 31, 2012
Senior Secured Revolving Credit Facility [Member]
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Sep. 30, 2013
Senior Secured Revolving Credit Facility [Member]
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Sep. 30, 2013
Common Stock [Member]
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| Debt (Textual) [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||
| Interest rate on instrument | 7.00% | 7.00% | 7.00% | 7.00% | 7.625% | 5.25% | 4.25% | 4.625% | 5.75% | 5.875% | 8.75% | 9.75% | 13.00% | |||||||||||||||||||||||||||||||
| Aggregate principal amount issued | $ 550,000,000 | $ 700,000,000 | $ 400,000,000 | $ 500,000,000 | $ 500,000,000 | $ 600,000,000 | $ 650,000,000 | $ 800,000,000 | ||||||||||||||||||||||||||||||||||||
| Number of shares for each $1000 principal amount on conversion | 543.1372 | 543.1372 | ||||||||||||||||||||||||||||||||||||||||||
| Conversion price per share (in dollars per share) | $ 1.841 | $ 1.841 | ||||||||||||||||||||||||||||||||||||||||||
| Principal amount of the Exchangable Notes converted | 47,630,000 | |||||||||||||||||||||||||||||||||||||||||||
| Amount of Exchangeable Notes converted (in shares) | 27,687,850 | |||||||||||||||||||||||||||||||||||||||||||
| Recognized unamortized discount and deferred financing fees upon conversion | 2,533,000 | |||||||||||||||||||||||||||||||||||||||||||
| Extinguishment of debt, amount | 59,799,000 | 160,449,000 | 770,987,000 | 800,000,000 | 186,112,000 | 257,000,000 | 681,517,000 | 778,500,000 | ||||||||||||||||||||||||||||||||||||
| Issued value of debt | 2,532,137,000 | 393,687,000 | 494,375,000 | 494,375,000 | 594,263,000 | 642,688,000 | 786,000,000 | |||||||||||||||||||||||||||||||||||||
| Debt discount | 2,374,000 | 2,374,000 | 4,112,000 | 6,661,000 | 6,661,000 | 9,647,000 | 5,473,000 | 5,826,000 | 5,625,000 | 5,366,000 | 0 | 5,625,000 | 5,459,000 | 0 | 5,737,000 | 5,644,000 | 0 | 7,296,000 | 7,312,000 | 0 | 14,000,000 | 0 | 0 | 7,056,000 | ||||||||||||||||||||
| Debt instrument, term | 5 years | |||||||||||||||||||||||||||||||||||||||||||
| Credit facility, maximum borrowing capacity | 1,250,000,000 | |||||||||||||||||||||||||||||||||||||||||||
| Credit facility, unused capacity, commitment fee percentage | 0.35% | |||||||||||||||||||||||||||||||||||||||||||
| Credit facility, remaining borrowing capacity | 1,210,000,000 | |||||||||||||||||||||||||||||||||||||||||||
| Repurchase price of long-term debt | 1,085,737,000 | 914,028,000 | 66,782,000 | 179,351,000 | 894,883,000 | 927,860,000 | 204,258,000 | 281,698,000 | 765,907,000 | 879,133,000 | ||||||||||||||||||||||||||||||||||
| Aggregate (loss) on extinguishment of notes | (107,971,000) | (107,105,000) | (124,348,000) | (132,726,000) | (6,908,000) | (19,530,000) | (101,063,000) | (104,818,000) | (14,352,000) | (22,184,000) | (92,753,000) | (110,542,000) | ||||||||||||||||||||||||||||||||
| Debt called for redemption | 539,551,000 | |||||||||||||||||||||||||||||||||||||||||||
| Debt carrying value | $ 502,370,000 | $ 502,370,000 | $ 550,000,000 | $ 539,551,000 | $ 539,551,000 | $ 700,000,000 | $ 400,000,000 | $ 400,000,000 | $ 500,000,000 | $ 0 | $ 500,000,000 | $ 0 | $ 600,000,000 | $ 0 | $ 650,000,000 | $ 0 | $ 0 | $ 0 | $ 800,000,000 | $ 0 | $ 40,000,000 | |||||||||||||||||||||||
| Maximum consolidated leverage | 5.00 | |||||||||||||||||||||||||||||||||||||||||||