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Investments- Fair Value of the Company's Investments by Type (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Marketable Securities [Line Items]
Amortized Cost	$ 251,146	$ 278,131
Accrued Interest	588	135
Gross Unrealized Gains	864	150
Gross Unrealized Losses	0	(72)
Estimated Fair Value	$ 252,598	$ 278,344
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Investments	Investments
Obligations of U.S. Government and its agencies
Marketable Securities [Line Items]
Amortized Cost	$ 251,146	$ 277,151
Accrued Interest	588	121
Gross Unrealized Gains	864	150
Gross Unrealized Losses	0	(64)
Estimated Fair Value	$ 252,598	277,358
Certificates of deposit
Marketable Securities [Line Items]
Amortized Cost		980
Accrued Interest		14
Gross Unrealized Gains		0
Gross Unrealized Losses		(8)
Estimated Fair Value		$ 986

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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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