XML 123 R125.htm IDEA: XBRL DOCUMENT v3.20.1
FINANCIAL INSTRUMENTS - Interest Rate Swap Transactions (Details) - Interest rate swap - Cash flow hedging - Designated as Hedging Instrument - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Derivative [Line Items]    
Notional value $ 737,500 $ 950,000
Minimum | LIBOR    
Derivative [Line Items]    
Fixed interest rates 1.68% 1.23%
Maximum | LIBOR    
Derivative [Line Items]    
Fixed interest rates 2.37% 1.94%