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Fair Value Measurements - Schedule of Fair Value by Contractual Maturity (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
One Year or Less $ 25,821 $ 55,485
Over One Year Through Five Years 0 17,230
Over Five Years 0 0
Total 25,821 72,715
U.S. Treasury securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
One Year or Less   15,373
Over One Year Through Five Years   0
Over Five Years   0
Total   15,373
Yankee bonds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
One Year or Less   2,588
Over One Year Through Five Years   0
Over Five Years   0
Total   2,588
Agency bonds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
One Year or Less 2,480 6,000
Over One Year Through Five Years 0 0
Over Five Years 0 0
Total 2,480 6,000
Municipal bonds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
One Year or Less 9,369 3,528
Over One Year Through Five Years 0 8,569
Over Five Years 0 0
Total 9,369 12,097
Asset-backed securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
One Year or Less   4,934
Over One Year Through Five Years   0
Over Five Years   0
Total   4,934
Corporate bonds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
One Year or Less 13,972 23,062
Over One Year Through Five Years 0 8,661
Over Five Years 0 0
Total $ 13,972 $ 31,723