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Investments - Aging of Unrealized Losses (Details) $ in Thousands	Mar. 31, 2024 USD ($) security	Dec. 31, 2023 USD ($) security
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 months, number of securities | security	5	4
Less than 12 months, fair value	$ 21,820	$ 16,789
Less than 12 months, unrealized losses	$ (21)	$ (10)
Total number of securities | security	5	4
Total fair value	$ 21,820	$ 16,789
Total unrealized losses	$ (21)	$ (10)
U.S. treasury securities
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 months, number of securities | security	1
Less than 12 months, fair value	$ 5,010
Less than 12 months, unrealized losses	$ (2)
Total number of securities | security	1
Total fair value	$ 5,010
Total unrealized losses	$ (2)
Commercial paper
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 months, number of securities | security	4	4
Less than 12 months, fair value	$ 16,810	$ 16,789
Less than 12 months, unrealized losses	$ (19)	$ (10)
Total number of securities | security	4	4
Total fair value	$ 16,810	$ 16,789
Total unrealized losses	$ (19)	$ (10)

X

- Definition

Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions

+ References

No definition available.

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- Definition

Debt Securities, Held-to-maturity, Unrealized Loss Position, Number of Positions

+ References

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- Definition

Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-6

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- Definition

Fair value of investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-6

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- Definition

Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for less than 12 months.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-7

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-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-6

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- Definition

Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for less than 12 months.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-7

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