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Accounting Policies - Cash and Cash Equivalents (Details) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
U.S. Dollar |  |
Cash and Cash Equivalents and Temporary Investments |  |
Yield on cash and cash equivalents (as percent) | 4.65% | 1.53%
Mexican peso |  |
Cash and Cash Equivalents and Temporary Investments |  |
Yield on cash and cash equivalents (as percent) | 11.09% | 7.40%

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