Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements (Fair Value) (Details)

v2.4.0.6
Fair Value Measurements (Fair Value) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Credit Facility $ 10,000 $ 0
13% Senior Notes due 2016 96,961 106,961
Deferred Credit 13,707 18,384
Derivative Assets    
Derivative Assets, Current 1,674 2,499
Liabilities    
Derivative Liabilities, Current 125 0
Fair Value on a recurring basis [Member] | Level 1 [Member]
    
Derivative Assets    
Derivative Assets 0 0
Liabilities    
Derivative Liabilities 0  
Fair Value, Net Asset (Liability) 0  
Fair Value on a recurring basis [Member] | Level 2 [Member]
    
Derivative Assets    
Derivative Assets 1,924 2,499
Liabilities    
Derivative Liabilities 241  
Fair Value, Net Asset (Liability) 1,683  
Fair Value on a recurring basis [Member] | Level 3 [Member]
    
Derivative Assets    
Derivative Assets 0 0
Liabilities    
Derivative Liabilities 0  
Fair Value, Net Asset (Liability) 0  
Fair Value on a recurring basis [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
    
Derivative Assets    
Derivative Assets 1,924 2,499
Liabilities    
Derivative Liabilities 241  
Fair Value, Net Asset (Liability) 1,683  
Current assets - Fair market value of derivatives [Member] | Fair Value on a recurring basis [Member] | Level 1 [Member]
    
Derivative Assets    
Derivative Assets, Current 0 0
Current assets - Fair market value of derivatives [Member] | Fair Value on a recurring basis [Member] | Level 2 [Member]
    
Derivative Assets    
Derivative Assets, Current 1,674 2,499
Current assets - Fair market value of derivatives [Member] | Fair Value on a recurring basis [Member] | Level 3 [Member]
    
Derivative Assets    
Derivative Assets, Current 0 0
Current assets - Fair market value of derivatives [Member] | Fair Value on a recurring basis [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
    
Derivative Assets    
Derivative Assets, Current 1,674 2,499
Noncurrent assets - Other assets, net [Member] | Fair Value on a recurring basis [Member] | Level 1 [Member]
    
Derivative Assets    
Derivative Assets, Noncurrent 0 0
Noncurrent assets - Other assets, net [Member] | Fair Value on a recurring basis [Member] | Level 2 [Member]
    
Derivative Assets    
Derivative Assets, Noncurrent 250 0
Noncurrent assets - Other assets, net [Member] | Fair Value on a recurring basis [Member] | Level 3 [Member]
    
Derivative Assets    
Derivative Assets, Noncurrent 0 0
Noncurrent assets - Other assets, net [Member] | Fair Value on a recurring basis [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
    
Derivative Assets    
Derivative Assets, Noncurrent 250   
Current liabilities - Fair market value of derivatives [Member] | Fair Value on a recurring basis [Member] | Level 1 [Member]
    
Liabilities    
Derivative Liabilities, Current 0  
Current liabilities - Fair market value of derivatives [Member] | Fair Value on a recurring basis [Member] | Level 2 [Member]
    
Liabilities    
Derivative Liabilities, Current 125  
Current liabilities - Fair market value of derivatives [Member] | Fair Value on a recurring basis [Member] | Level 3 [Member]
    
Liabilities    
Derivative Liabilities, Current 0  
Current liabilities - Fair market value of derivatives [Member] | Fair Value on a recurring basis [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
    
Liabilities    
Derivative Liabilities, Current 125  
Other long-term liabilities [Member] | Fair Value on a recurring basis [Member] | Level 1 [Member]
    
Liabilities    
Derivative Liabilities, Noncurrent 0  
Other long-term liabilities [Member] | Fair Value on a recurring basis [Member] | Level 2 [Member]
    
Liabilities    
Derivative Liabilities, Noncurrent 116  
Other long-term liabilities [Member] | Fair Value on a recurring basis [Member] | Level 3 [Member]
    
Liabilities    
Derivative Liabilities, Noncurrent 0  
Other long-term liabilities [Member] | Fair Value on a recurring basis [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
    
Liabilities    
Derivative Liabilities, Noncurrent 116  
Revolving Credit Facility [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Credit Facility 10,000 0
Fair Value [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Liabilities, Fair Value Disclosure 110,112 110,571
Fair Value [Member] | Revolving Credit Facility [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Lines of Credit, Fair Value Disclosure 10,000 0
Carrying Value [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Liabilities, Fair Value Disclosure 120,668 125,345
Carrying Value [Member] | Revolving Credit Facility [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Credit Facility 10,000 0
13% Senior Notes due 2016 [Member] | Senior Notes [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
13% Senior Notes due 2016 96,961  
Deferred Credit 13,707 18,384
13% Senior Notes due 2016 [Member] | Portion at Fair Value, Fair Value Disclosure [Member] | Senior Notes [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
13% Senior Notes due 2016 96,961 106,961
13% Senior Notes due 2016 [Member] | Fair Value [Member] | Senior Notes [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
13% Senior Notes due 2016 100,112 [1] 110,571 [1]
13% Senior Notes due 2016 [Member] | Carrying Value [Member] | Senior Notes [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
13% Senior Notes due 2016 $ 110,668 $ 125,345
[1] 2012 and 2011 Fair value is calculated only in relation to the $96,961 and $106,961 face value outstanding of the 13% Senior Notes, respectively. The remaining $13,707 and $18,384, respectively represents the Company's deferred credits and have been excluded from the fair value calculation. See Note 5 for additional information.