Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS (Assets and Liabilities Measured On A Recurring Basis) (Details)

v3.21.2
FAIR VALUE MEASUREMENTS (Assets and Liabilities Measured On A Recurring Basis) (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]    
Cash equivalents $ 776,553 $ 282,696
Level 1 [Member] | Recurring [Member]    
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]    
Cash equivalents $ 776,553 $ 282,696