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Contract Receivables, Net - Summary of Reconciliation of Cash Collections from Customers of Billed Contract Receivables Previously Sold to MUFG Including Previous Sold Receivables And Remittance of Cash Collections to MUFG And Cash Collected But Not Yet Remitted to MUFG (Parenthetical) (Details) - USD ($) $ in Thousands | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023 | [2] | Dec. 31, 2022 | [2]
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Procceds from sale of billed receivables but not yet remitted to MUFG | $ 9,500 |  | $ 4,300 |  |  |
Sale of billed receivables | $ 31,275 | [1] | $ 10,441 | [1] | $ 21,796 | $ 6,164
[1] | The ending balances are included as part of “Accrued expenses and other current liabilities” on the Company’s consolidated balance sheets.
[2] | The beginning balances represent cash collected from customers on behalf of MUFG for billed contract receivables that were previously sold and derecognized by the Company but have not yet been remitted to MUFG as of January 1, 2024 and 2023, respectively.

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