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Fair Value Measurements - Schedule of fair value on a recurring basis (Details) - Fair Value, Recurring [Member] - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Fair Value, Inputs, Level 1 [Member]    
Assets:    
Money market funds $ 397 $ 2,814
Mutual funds 19,002 17,687
Fair Value, Inputs, Level 2 [Member]    
Assets:    
Short-term investments $ 113,795 $ 104,485