XML 49 R40.htm IDEA: XBRL DOCUMENT v3.23.1
Available-for-Sale Marketable Securities - Additional Information (Detail)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2023
USD ($)
position
Dec. 31, 2022
USD ($)
position
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale allowance for credit loss | $ $ 0 $ 0
Available-for-sale unrealized credit losses | $ $ 0 $ 0
Number of available-for-sale marketable securities in unrealized loss positions 30 35
Total number of positions 35 39
Number of positions of available-for-sale in unrealized loss position for 12 months or greater 27  
U.S. Government Agency Obligations [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Number of available-for-sale marketable securities in unrealized loss positions 3  
Total number of positions 3  
Corporate Bonds [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Number of available-for-sale marketable securities in unrealized loss positions 13  
Total number of positions 13  
Commercial Paper [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Number of available-for-sale marketable securities in unrealized loss positions 2  
Total number of positions 7  
Municipal Bonds [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Number of available-for-sale marketable securities in unrealized loss positions 12  
Total number of positions 12