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Marketable Securities - Schedule of Marketable Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | $ 1,278,727 | $ 410,144
Unrealized Gains | 3,372 | 703
Unrealized Losses | (470) | (578)
Estimated Fair Value, current | 1,281,629 | 410,269
Estimated Fair Value | 1,281,629 | 410,269
U.S. Treasury securities |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost, current | 947,916 | 301,053
Amortized Cost, noncurrent | 330,321 | 98,701
Estimated Fair Value, current | 949,990 | 300,625
Estimate Fair Value, noncurrent | 331,149 | 99,265
U.S. Treasury securities | 1 or less |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Unrealized Gains | 2,154 | 102
Unrealized Losses | (80) | (530)
U.S. Treasury securities | 1 - 2 |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Unrealized Gains | 1,218 | 600
Unrealized Losses | (390) | (36)
U.S. Government agency securities |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost, current |  | 5,000
Estimated Fair Value, current |  | 4,998
U.S. Government agency securities | 1 or less |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Unrealized Gains |  | 0
Unrealized Losses |  | (2)
Negotiable certificates of deposit |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost, current | 490 | 4,410
Amortized Cost, noncurrent |  | 980
Estimated Fair Value, current | 490 | 4,407
Estimate Fair Value, noncurrent |  | 974
Negotiable certificates of deposit | 1 or less |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Unrealized Gains | 0 | 1
Unrealized Losses | $ 0 | (4)
Negotiable certificates of deposit | 1 - 2 |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Unrealized Gains |  | 0
Unrealized Losses |  | $ (6)

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