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Subsequent Events (Details) (USD $)
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12 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Jul. 30, 2013
Term Loan [Member]
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Dec. 31, 2013
9.125% Senior Notes, due April 2018 (Issued April 25, 2012) [Member]
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Dec. 31, 2012
9.125% Senior Notes, due April 2018 (Issued April 25, 2012) [Member]
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Apr. 25, 2012
9.125% Senior Notes, due April 2018 (Issued April 25, 2012) [Member]
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Dec. 31, 2013
9.125% Senior Notes, due April 2018 (Issued March 22, 2010) [Member]
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Mar. 22, 2010
9.125% Senior Notes, due April 2018 (Issued March 22, 2010) [Member]
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Jan. 22, 2014
Subsequent Event [Member]
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Jan. 22, 2014
Subsequent Event [Member]
6.75 Percent Senior Notes, due July 15, 2022 [Member]
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Jan. 22, 2014
Subsequent Event [Member]
Term Loan [Member]
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Jan. 22, 2014
Subsequent Event [Member]
9.125% Senior Notes, due April 2018 (Issued April 25, 2012) [Member]
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Jan. 07, 2014
Subsequent Event [Member]
9.125% Senior Notes, due April 2018 (Issued April 25, 2012) [Member]
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Jan. 22, 2014
Subsequent Event [Member]
Tendered Bonds [Member]
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Jan. 22, 2014
Subsequent Event [Member]
7.50 % Senior Notes [Member]
Prior to August1, 2016 [Member]
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Jan. 22, 2014
Subsequent Event [Member]
7.50 % Senior Notes [Member]
On and after August 1, 2016 [Member]
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| Subsequent Event [Line Items] | |||||||||||||||||
| Aggregate principal amount | $ 125,000,000.0 | $ 300,000,000.0 | $ 360,000,000.0 | $ 416,200,000.0 | |||||||||||||
| Debt instrument fixed interest rate | 9.125% | 9.125% | 9.125% | 6.75% | 9.125% | 9.125% | |||||||||||
| Revolving loan outstanding | 40,000,000 | ||||||||||||||||
| Repayments of long-term debt | 125,000,000 | 0 | 0 | 45,000,000 | 416,200,000 | ||||||||||||
| Tender offer price for each 1000 principal amount | 1,061.98 | 1,061.98 | |||||||||||||||
| Tender offer price per note, consent payment | 30.00 | 30.00 | |||||||||||||||
| Unit for which the tender offer price is calculated | 1,000.00 | ||||||||||||||||
| Payments of debt issuance costs | 11,172,000 | 4,859,000 | 504,000 | 453,700,000 | |||||||||||||
| Tender offer costs | 25,800,000 | ||||||||||||||||
| Accrued interest | 11,700,000 | ||||||||||||||||
| Notes paid off | 8,800,000 | ||||||||||||||||
| Percentage of redemption price after notice | 104.563% | ||||||||||||||||
| Debt issuance costs | 7,100,000 | ||||||||||||||||
| Periodic payment, quarterly | $ 2,500,000 | ||||||||||||||||
| Percentage of the aggregate principal amount redeemed | 35.00% | ||||||||||||||||
| Percentage of redemption price before notice | 106.75% | 10337.50% | |||||||||||||||
| Percentage of repurchase | 101.00% | 10100.00% | |||||||||||||||