XML 51 R41.htm IDEA: XBRL DOCUMENT v3.20.2
CASH, CASH EQUIVALENTS AND RESTRICTED CASH (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Sep. 30, 2019
Dec. 31, 2018
Cash and Cash Equivalents [Abstract]        
Cash $ 80,698 $ 43,581    
Cash equivalents 510,091 126,700    
Total cash and cash equivalents 590,789 170,281    
Restricted cash 826 22,037    
Total cash, cash equivalents and restricted cash $ 591,615 $ 192,318 $ 145,529 $ 354,835