XML 59 R48.htm IDEA: XBRL DOCUMENT v3.5.0.2
ACCOUNTING POLICIES (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Organization And Accounting Policies [Line Items]          
Debt Instrument, Unamortized Discount (Premium), Net $ 4,390   $ 4,390    
Senior Notes 395,600   395,600    
Long-term Debt 501,119   501,119   $ 506,665
Debt Instrument, Fair Value Disclosure $ 380,000   $ 380,000    
Common Stock, Dividends, Per Share, Declared $ 0.005 $ 0.005 $ 0.015 $ 0.015  
Senior Secured Notes 6.875 Percent [Member]          
Organization And Accounting Policies [Line Items]          
Senior Notes $ 400,000   $ 400,000   400,000
Long-term Debt $ 395,610   $ 395,610   395,360
Debt Instrument, Interest Rate, Stated Percentage 6.875%   6.875%    
5.625% convertible senior subordinated notes [Member]          
Organization And Accounting Policies [Line Items]          
Long-term Debt $ 60,071   $ 60,071   59,840
Debt Instrument, Interest Rate, Stated Percentage 5.625%   5.625%    
Accounting Standards Update 2015-03 [Member]          
Organization And Accounting Policies [Line Items]          
Debt Instrument, Unamortized Discount (Premium), Net         $ 4,961