v3.20.2
DERIVATIVES AND FAIR VALUE MEASUREMENTS Narrative 2 (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Derivative Instruments, Gain (Loss) [Line Items]    
Loss to be reclassified during next 12 months $ 5,400  
Interest rate swaps | Cash Flow Hedges    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional amount of forward-starting interest rate swaps   $ 250,000
Accrued Liabilities [Member] | Interest rate swaps | Fair Value, Inputs, Level 2 [Member] | Designated as Hedging Instruments    
Derivative Instruments, Gain (Loss) [Line Items]    
Liability derivatives   $ (19,200)