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OTHER LONG-TERM DEBT (Credit Line) (Narrative) (Details) - Jazz [Member] - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Feb. 28, 2018
Dec. 31, 2018
Line of Credit Facility [Line Items]    
Term 5 years 5 years
Maximum borrowing amount   $ 70,000
Borrowing capacity $ 70,000 70,000
Letters of credit outstanding amount   $ 1,000
Maturity date   Dec. 31, 2018
Prime Rate [Member] | Minimum [Member]    
Line of Credit Facility [Line Items]    
Basis spread over variable interest rate 0.00%  
Prime Rate [Member] | Maximum [Member]    
Line of Credit Facility [Line Items]    
Basis spread over variable interest rate 0.50%  
LIBOR [Member] | Minimum [Member]    
Line of Credit Facility [Line Items]    
Basis spread over variable interest rate 1.25%  
LIBOR [Member] | Maximum [Member]    
Line of Credit Facility [Line Items]    
Basis spread over variable interest rate 1.75%