Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.0.6
Fair Value Measurements (Fair Value of Financial Instruments) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior secured revolving credit facility $ 27,000 $ 10,000
Senior Notes, Noncurrent 109,869 110,668
Long-term Line of Credit and Senior Notes, Noncurrent 136,869 120,668
Long-term Line of Credit and Senior Notes, Noncurrent, Fair Value Disclosure 127,839 110,112
Principal outstanding 96,961 96,961
Deferred Credit 12,908 13,707
Revolving Credit Facility [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior secured revolving credit facility 27,000 10,000
Lines of Credit, Fair Value Disclosure 27,000 10,000
Senior Notes [Member] | 13% Senior Notes due 2016 [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior Notes, Noncurrent 109,869 110,668
Notes Payable, Fair Value Disclosure 100,839 [1] 100,112 [1]
Deferred Credit $ 12,908 $ 13,707
[1] Fair value is calculated only in relation to the $96,961 principal outstanding of the Senior Notes at each of the dates indicated above, respectively. The remaining $12,908 and $13,707, 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.