Receivables - Schedule of Receivables (Details) - USD ($) $ in Thousands |
Sep. 30, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Receivables [Abstract] | ||
| Billed receivables | $ 190,358 | $ 104,074 |
| Unbilled receivables (contract assets) | 490,101 | 239,979 |
| Other | 10,484 | 4,552 |
| Total receivables | $ 690,943 | $ 348,605 |