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Investments- Fair Value of the Company's Investments by Type (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Marketable Securities [Line Items]
Amortized Cost	$ 268,065	$ 138,196
Accrued Interest	342	487
Gross Unrealized Gains	9	0
Gross Unrealized Losses	(516)	(1,063)
Estimated Fair Value	$ 267,900	$ 137,620
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Investments, Long-term investments	Investments, Long-term investments
Obligations of U.S. Government and its agencies
Marketable Securities [Line Items]
Amortized Cost	$ 264,786	$ 129,940
Accrued Interest	323	427
Gross Unrealized Gains	9	0
Gross Unrealized Losses	(489)	(996)
Estimated Fair Value	264,629	129,371
Corporate debt securities
Marketable Securities [Line Items]
Amortized Cost	2,055	6,093
Accrued Interest	2	37
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(11)	(38)
Estimated Fair Value	2,046	6,092
Certificates of deposit
Marketable Securities [Line Items]
Amortized Cost	1,224	2,163
Accrued Interest	17	23
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(16)	(29)
Estimated Fair Value	$ 1,225	$ 2,157

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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).

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-Topic 320
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