XML 48 R37.htm IDEA: XBRL DOCUMENT v3.22.4
Supplementary Balance Sheet Information - Investments Available-for-sale in a Continuous Loss Position (Details)
$ in Thousands
Dec. 31, 2022
USD ($)
Debt Securities, Available-for-sale [Line Items]  
Fair Market Value $ 20,750
Gross Unrealized Loss (175)
Corporate debt securities  
Debt Securities, Available-for-sale [Line Items]  
Fair Market Value 17,084
Gross Unrealized Loss (161)
U.S. treasury securities  
Debt Securities, Available-for-sale [Line Items]  
Fair Market Value 3,666
Gross Unrealized Loss $ (14)