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Short-Term Investments (Details) $ in Thousands	Sep. 30, 2025 USD ($) item	Dec. 31, 2024 USD ($) item
Short-Term Investments
Credit Loss related to sale of securities	$ 0	$ 0
Short-term Investments
Short-Term Investments
Amortized Cost	131,387	268,149
Gross Unrealized Gains	56	167
Gross Unrealized Losses	(2)	(4)
Fair Value	$ 131,441	$ 268,312
Number of short term investments in unrealized loss position for less than 12 months | item	6	2
Aggregate value of short term investments in unrealized loss position for less than 12 months	$ 19,600	$ 9,800
Aggregate value of short term investments in other than temporary unrealized loss position for less than 12 months	0	0
Treasury bills
Short-Term Investments
Amortized Cost	74,240	39,085
Gross Unrealized Gains	35	31
Gross Unrealized Losses	(1)	(1)
Fair Value	74,274	39,115
Treasury notes
Short-Term Investments
Amortized Cost	47,281	129,064
Gross Unrealized Gains	16	136
Gross Unrealized Losses		(3)
Fair Value	47,297	129,197
Corporate debt securities
Short-Term Investments
Amortized Cost	9,866
Gross Unrealized Gains	5
Gross Unrealized Losses	(1)
Fair Value	$ 9,870
Reverse repurchase agreements
Short-Term Investments
Amortized Cost		100,000
Fair Value		$ 100,000

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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), other than in a continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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