XML 41 R31.htm IDEA: XBRL DOCUMENT v3.23.3
Investments - Summary of Amortized Cost and Estimated Fair Value of Investments (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost $ 112,533 $ 140,208
Gross Unrealized Gains 3 71
Gross Unrealized Losses (305) (166)
Fair Value 112,231 140,113
US Treasury Securities    
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost 32,957  
Gross Unrealized Gains 3  
Gross Unrealized Losses (47)  
Fair Value 32,913  
Amortization Cost, Short-term investments   32,174
Gross Unrealized Gains, Short-term investments   3
Gross Unrealized Losses, Short-term investments   (34)
Fair Value, Short-term investments   32,143
Amortization Cost, Long-term investments   7,242
Gross Unrealized Losses, Long-term investments   (4)
Fair Value, Long-term investments   7,238
US Government-Sponsored Enterprises Securities    
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost 79,576  
Gross Unrealized Losses (258)  
Fair Value $ 79,318  
Amortization Cost, Short-term investments   66,106
Gross Unrealized Gains, Short-term investments   68
Gross Unrealized Losses, Short-term investments   (85)
Fair Value, Short-term investments   66,089
Amortization Cost, Long-term investments   34,686
Gross Unrealized Losses, Long-term investments   (43)
Fair Value, Long-term investments   $ 34,643