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Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Assets:    
Money market funds, included in cash and cash equivalents $ 8,303 $ 6,075
Fixed income mutual fund, included in short-term investments 51,631 70,804
Total 59,934 76,879
(Level 1)    
Assets:    
Money market funds, included in cash and cash equivalents 8,303 6,075
Fixed income mutual fund, included in short-term investments 51,631 70,804
Total 59,934 76,879
(Level 2)    
Assets:    
Money market funds, included in cash and cash equivalents 0 0
Fixed income mutual fund, included in short-term investments 0 0
Total 0 0
(Level 3)    
Assets:    
Money market funds, included in cash and cash equivalents 0 0
Fixed income mutual fund, included in short-term investments 0 0
Total $ 0 $ 0