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LONG-TERM DEBT, INTEREST EXPENSE AND AMORTIZATION OF DEBT ISSUANCE COSTS (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Apr. 01, 2014
Debt Instrument [Line Items]            
Line of credit facility, amount outstanding           $ 150,000,000
Interest expense, debt $ 2,000,000 $ 2,000,000 $ 7,000,000 $ 7,000,000    
Amortization of debt issuance costs 797,000 830,000 2,000,000 2,000,000    
Interest paid 2,000,000 $ 2,000,000 5,000,000 $ 5,000,000    
Revolving Credit Facility [Member]            
Debt Instrument [Line Items]            
Line of credit facility, amount outstanding $ 0   $ 0   $ 0