Annual report pursuant to Section 13 and 15(d)

DERIVATIVE INSTRUMENTS Derivative Instruments (Details)

v3.20.4
DERIVATIVE INSTRUMENTS Derivative Instruments (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Derivative [Line Items]      
Fixed interest rate on interest rate swap 3.397%    
Unrealized loss on cash flow hedge $ (36,689) $ 0 $ 0
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]      
Derivative [Line Items]      
Interest rate swap, notional amount 42,000 $ 66,300  
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]      
Derivative [Line Items]      
Interest rate swap, notional amount $ 500,000    
Fixed interest rate on interest rate swap 3.397%    
Unrealized loss on cash flow hedge $ (36,700)    
Estimated loss in other comprehensive loss to be reclassified during next 12 months $ 7,700