XML 80 R60.htm IDEA: XBRL DOCUMENT v3.22.0.1
Marketable Securities - Narrative (Details)
$ in Thousands
Dec. 31, 2021
USD ($)
position
Dec. 31, 2020
USD ($)
position
Investments, Debt and Equity Securities [Abstract]    
Number of securities, unrealized losses 12 months or longer | position 23 0
Unrealized losses , 12 months or longer $ 6 $ 0
Number of securities, unrealized losses, less than 12 months | position 106 2
Unrealized losses less than 12 months $ 94 $ 1
Gross unrealized loss position greater than $ 12 $ 325
Amortized cost, percentage 0.40% 1.60%