XML 65 R34.htm IDEA: XBRL DOCUMENT v3.22.1
Short-Term Investment - Schedule of Short-term Investment Available For Sale (Details) - Government Securities [Member] - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Short Term Debt [Line Items]    
Amortized Cost $ 119,798 $ 134,980
Unrealized Loss, Net (83) (9)
Estimated Fair Value $ 119,715 $ 134,971