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Investments and Fair Value of Financial Instruments - Marketable Securities in an Unrealized Loss Position (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months: Fair Value $ 28,705 $ 37,863
Less than 12 months: Gross Unrealized Losses (94) (59)
12 Months of more: Fair Value 18,748 38,216
12 months or more: Gross Unrealized Losses (309) (569)
Total: Fair Value 47,453 76,079
Total: Gross Unrealized Losses (403) (628)
Commercial paper    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months: Fair Value 20,041 16,241
Less than 12 months: Gross Unrealized Losses (11) (3)
12 Months of more: Fair Value 0 0
12 months or more: Gross Unrealized Losses 0 0
Total: Fair Value 20,041 16,241
Total: Gross Unrealized Losses (11) (3)
U.S. treasury    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months: Fair Value 5,666 5,677
Less than 12 months: Gross Unrealized Losses (80) (54)
12 Months of more: Fair Value 4,436 4,389
12 months or more: Gross Unrealized Losses (62) (106)
Total: Fair Value 10,102 10,066
Total: Gross Unrealized Losses (142) (160)
U.S. states and municipalities    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months: Fair Value 0 0
Less than 12 months: Gross Unrealized Losses 0 0
12 Months of more: Fair Value 891 2,915
12 months or more: Gross Unrealized Losses (9) (35)
Total: Fair Value 891 2,915
Total: Gross Unrealized Losses (9) (35)
Corporate bonds    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months: Fair Value 2,998 15,945
Less than 12 months: Gross Unrealized Losses (3) (2)
12 Months of more: Fair Value 13,421 30,912
12 months or more: Gross Unrealized Losses (238) (428)
Total: Fair Value 16,419 46,857
Total: Gross Unrealized Losses $ (241) $ (430)