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Fair Value of Financial Instruments (Tables) | 9 Months Ended
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Sep. 30, 2025
Fair Value Disclosures [Abstract] |
Schedule of Fair Value of Cash and Cash Equivalents by Balance Sheet Grouping | Cash and cash equivalents consist of the following:
|  | September 30, 2025 |  |  | December 31, 2024 |
|  | Cost |  |  | Fair Value |  |  | Cost |  |  | Fair Value |
Cash and Cash Equivalents: |  |  |  |  |  |  |  |  |  |  |  |
Cash and overnight deposits |  | $ | 607,945 |  |  | $ | 607,945 |  |  | $ | 623,561 |  |  | $ | 623,561 |
Corporate commercial paper |  |  | 539,906 |  |  |  | 540,338 |  |  |  | 498,185 |  |  |  | 498,742 |
Time deposits and money market funds |  |  | 42,316 |  |  |  | 42,316 |  |  |  | 26,574 |  |  |  | 26,574 |
Total cash and cash equivalents |  | $ | 1,190,167 |  |  | $ | 1,190,599 |  |  | $ | 1,148,320 |  |  | $ | 1,148,877 |

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