Investments - Schedule of Investments (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Available-for-sale securities:
Short-term investments, Amortized Cost	$ 492,645	$ 459,123
Gross Unrealized Gains	1,919	1,525
Gross Unrealized Losses less than one year	(9)	(116)
Gross Unrealized Losses greater than one year	(98)	(347)
Short-term investments, Estimated Fair Value	494,540	460,522
Long-term investments, Amortized Cost	38,207	73,340
Total long-term investments	38,269	73,148
Long-term investments, Estimated Fair Value	38,124	73,003
Amortized Cost	530,997	532,608
Estimated Fair Value	532,809	533,670
Short-term investments
Available-for-sale securities:
Gross Unrealized Gains	1,919	1,525
Gross Unrealized Losses less than one year	(9)	(116)
Gross Unrealized Losses greater than one year	(15)	(10)
Long-term investments
Available-for-sale securities:
Gross Unrealized Losses greater than one year	(83)	(337)
Total long-term investments	38,269	73,148
Amortized Cost	38,352	73,485
Certificates of deposit
Available-for-sale securities:
Amortized Cost	145	145
Estimated Fair Value	145	145
Corporate debt securities
Available-for-sale securities:
Short-term investments, Amortized Cost	226,554	192,617
Short-term investments, Estimated Fair Value	227,574	193,317
Long-term investments, Amortized Cost	8,627	24,484
Long-term investments, Estimated Fair Value	8,599	24,326
Corporate debt securities \| Short-term investments
Available-for-sale securities:
Gross Unrealized Gains	1,027	762
Gross Unrealized Losses less than one year	(4)	(58)
Gross Unrealized Losses greater than one year	(3)	(4)
Corporate debt securities \| Long-term investments
Available-for-sale securities:
Gross Unrealized Losses greater than one year	(28)	(158)
U.S. government and agency debt securities
Available-for-sale securities:
Short-term investments, Amortized Cost	266,091	266,506
Short-term investments, Estimated Fair Value	266,966	267,205
Long-term investments, Amortized Cost	29,580	48,856
Long-term investments, Estimated Fair Value	29,525	48,677
U.S. government and agency debt securities \| Short-term investments
Available-for-sale securities:
Gross Unrealized Gains	892	763
Gross Unrealized Losses less than one year	(5)	(58)
Gross Unrealized Losses greater than one year	(12)	(6)
U.S. government and agency debt securities \| Long-term investments
Available-for-sale securities:
Gross Unrealized Losses greater than one year	$ (55)	$ (179)

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