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Summary of Significant Accounting Policies (Detail) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2023 installment | Dec. 31, 2023 segment installment
Significant Accounting Policies [Line Items] |  |
Number of reportable segments | segment |  | 1
Number of installment | installment | 4 | 4
Limited partnership interest, conversion ratio | 1 | 1
Quarterly percentage to preferred units | 0.006875 | 0.006875
Percentage to preferred units |  | 2.75%
Software, including software development costs |  |
Significant Accounting Policies [Line Items] |  |
Software amortization period | 3 years | 3 years
Minimum |  |
Significant Accounting Policies [Line Items] |  |
Restricted stock saleable period |  | 5 years
Minimum | Limited Partnership |  |
Significant Accounting Policies [Line Items] |  |
Shares vesting period |  | 2 years
Minimum | Computer and communications equipment |  |
Significant Accounting Policies [Line Items] |  |
Useful life of computer software | 3 years | 3 years
Maximum |  |
Significant Accounting Policies [Line Items] |  |
Restricted stock saleable period |  | 10 years
Maximum | Limited Partnership |  |
Significant Accounting Policies [Line Items] |  |
Shares vesting period |  | 5 years
Maximum | Computer and communications equipment |  |
Significant Accounting Policies [Line Items] |  |
Useful life of computer software | 5 years | 5 years

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