XML 47 R31.htm IDEA: XBRL DOCUMENT v3.22.0.1
MARKETABLE SECURITIES (Tables)
12 Months Ended
Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract]  
Schedule of Marketable Securities
December 31, 2021December 31, 2020
(in thousands)Amortized CostUnrealized GainsUnrealized LossesFair ValueAmortized CostUnrealized GainsUnrealized LossesFair Value
Government debt$2,000 $— $(10)$1,990 $39,996 $— $(8)$39,988 
Corporate debt201,659 (837)200,824 253,345 88 (152)253,281 
$203,659 $$(847)$202,814 $293,341 $88 $(160)$293,269