Investments - Schedule of fair value and amortized cost of available-for-sale debt securities (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Debt Securities, Available-for-Sale [Line Items]
Total	$ 186,757
Fair Value	185,679
U.S. Treasury Securities - Short-term [Member]
Debt Securities, Available-for-Sale [Line Items]
Total	80,481	$ 23,994
Gross Unrealized Gains		33
Gross Unrealized Losses	(148)
Fair Value	80,333	24,027
Corporate Bonds - Short-term [Member]
Debt Securities, Available-for-Sale [Line Items]
Total		2,923
Gross Unrealized Gains		10
Fair Value		2,933
U.S. Treasury Securities - Long-term [Member]
Debt Securities, Available-for-Sale [Line Items]
Total	106,276	42,652
Gross Unrealized Gains	3	143
Gross Unrealized Losses	(933)	(11)
Fair Value	$ 105,346	42,784
Corporate Bonds - Long-term [Member]
Debt Securities, Available-for-Sale [Line Items]
Total		4,098
Gross Unrealized Gains		12
Gross Unrealized Losses		(1)
Fair Value		4,109
Short-term Investment [Member]
Debt Securities, Available-for-Sale [Line Items]
Total		26,917
Gross Unrealized Gains		43
Fair Value		26,960
Long-term Investment [Member]
Debt Securities, Available-for-Sale [Line Items]
Total		46,750
Gross Unrealized Gains		155
Gross Unrealized Losses		(12)
Fair Value		$ 46,893

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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