Investments - Short-term Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Marketable Securities [Line Items]
Adjusted Cost	$ 154,529	$ 132,989
Unrealized Gains	8	17
Unrealized Losses	(36)	(153)
Fair Value	154,501	132,853
Corporate bonds
Marketable Securities [Line Items]
Adjusted Cost	65,281	99,672
Unrealized Gains	2	0
Unrealized Losses	(9)	(106)
Fair Value	65,274	99,566
U.S. Treasury bills
Marketable Securities [Line Items]
Adjusted Cost	59,135
Unrealized Gains	6
Unrealized Losses	(3)
Fair Value	59,138
Asset-backed bonds
Marketable Securities [Line Items]
Adjusted Cost	696
Unrealized Gains	0
Unrealized Losses	(1)
Fair Value	695
Government and government agency
Marketable Securities [Line Items]
Adjusted Cost	29,417	33,317
Unrealized Gains	0	17
Unrealized Losses	(23)	(47)
Fair Value	$ 29,394	$ 33,287

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
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