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Revenues by Geographic Region (Detail) - Geographic Concentration Risk - Revenue | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Segment Reporting Information |  |
Revenues by geographic region | 100.00% | 100.00%
United States |  |
Segment Reporting Information |  |
Revenues by geographic region | 99.00% | 99.00%
Canada and Other Countries |  |
Segment Reporting Information |  |
Revenues by geographic region | 1.00% | 1.00%

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