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Discontinued Operations - Narrative (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Feb. 29, 2024 USD ($) agreement | Jun. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Dec. 31, 2023 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Operating lease right-of-use assets |  | $ 34,419 |  |  | $ 34,419 |  | $ 28,684
Alexandria, VA Headquarters |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Operating lease right-of-use assets |  | 7,100 |  |  | 7,100 |  |
Property and equipment |  | 2,600 |  |  | 2,600 |  |
Operating lease obligations |  | 11,000 |  |  | 11,000 |  |
Discontinued Operations, Held-for-Sale | Federal And Defense Segment |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Number of agreements | agreement | 2 |  |  |  |  |  |
Consideration on disposal | $ 44,000 |  |  |  |  |  |
Discontinued operation, loss from disposal of discontinued operation, before income tax |  | 0 | $ (12,700) | $ 0 | (12,663) | $ 0 |
Transaction fees |  |  | $ 2,500 |  |  |  |
Accrued expenses and other current liabilities |  | $ 7,000 |  |  | $ 7,000 |  | $ 19,537

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