• Filing Date: 2017-02-22
  • Form Type: 10-K
  • Description: Annual report
v3.6.0.2
Long-Term Debt (8% Senior Notes) - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Debt Instrument [Line Items]    
Long-term debt $ 147,985 $ 143,250
Debt instrument, effective interest rate 8.30%  
Senior Notes [Member]    
Debt Instrument [Line Items]    
Long-term debt $ 40,250 $ 40,250
Debt instrument, maturity date Jan. 30, 2020  
Quarterly payments dates, one --01-30  
Quarterly payments dates, two --04-30  
Quarterly payments dates, three --07-30  
Quarterly payments dates, four --10-30  
Quarterly payment start date Apr. 30, 2013  
Notes redemption date Jan. 30, 2016  
Redemption price as percentage of principal amount redeemed 100.00%  
Fixed annual rate of interest 8.00%  
Debt instrument, effective interest rate 8.70%  
Senior Notes [Member] | Maximum [Member]    
Debt Instrument [Line Items]    
Notice period for redemption of notes 60 days  
Senior Notes [Member] | Minimum [Member]    
Debt Instrument [Line Items]    
Notice period for redemption of notes 30 days