Annual report pursuant to Section 13 and 15(d)

Borrowings (13% Senior Notes due 2016 (???Senior Notes???) and Deferred Credit) (Details)

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Borrowings (13% Senior Notes due 2016 (“Senior Notes”) and Deferred Credit) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Oct. 08, 2014
Apr. 11, 2014
Dec. 17, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2015
Debt Instrument [Line Items]            
Gain on extinguishment of debt $ (3,054)     $ 151 $ 3,696  
Amortization of deferred credit       (487) (3,164)  
Repayment of senior notes including redemption expenses       50,057 $ 50,060  
Long-term Debt       $ 321,576   $ 328,565
13% Senior Notes due 2016 [Member] | Senior Notes [Member]            
Debt Instrument [Line Items]            
Repayments of senior debt   $ 48,481 $ 48,481      
Gain on extinguishment of debt   3,205 3,696      
Extinguishment of debt amount   50,057        
Redemption expenses   1,576 1,576      
Deferred credit   (4,780) (5,275)      
Amortization of deferred credit   4,780        
Payment for accrued interest on redemption of debt   193        
Repayment of senior notes including redemption expenses     50,057      
Long-term Debt   $ 53,261 $ 53,756