Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Fair Value of Financial Instruments) (Details)

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Fair Value Measurements (Fair Value of Financial Instruments) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
13% Senior Notes due 2016 $ 96,961 $ 106,961
Deferred Credit 14,489 18,384
Senior Notes [Member] | 13% Senior Notes due 2016 [Member]
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Deferred Credit 14,489 18,384
Senior Notes [Member] | 13% Senior Notes due 2016 [Member] | Carrying Value [Member]
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
13% Senior Notes due 2016 111,450 125,345
Senior Notes [Member] | 13% Senior Notes due 2016 [Member] | Fair Value [Member]
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
13% Senior Notes due 2016 100,839 [1] 110,571 [1]
Senior Notes [Member] | 13% Senior Notes due 2016 [Member] | Portion at Fair Value, Fair Value Disclosure [Member]
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
13% Senior Notes due 2016 $ 96,961 $ 106,961
[1] Fair value is calculated only in relation to the $96,961 and $106,961 principal outstanding of the Senior Notes at the dates indicated above, respectively. The remaining $14,489 and $18,384, respectively, which the Company has recorded as a deferred credit, is excluded from the fair value calculation, and will be recognized in earnings as a reduction of interest expense over the remaining amortization period. See Note 4 for additional information.