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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) |  |  | 5 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2020 | Nov. 27, 2020 | Dec. 31, 2020 | Jun. 30, 2021 | Jun. 21, 2020 | Feb. 09, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Unrecognized tax benefits | $ 1,671,000 |  | $ 1,671,000 |  | $ 1,671,000 | $ 1,671,000 | $ 1,275,000 | $ 639,000
CIK_0001819810_Genesis Park Acquisition Corp [Member] |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Cash | 1,295,380 |  | 1,295,380 | $ 557,200 |  |  |  |
Adjustments to additional paid in capital stock issuance costs |  |  | 8,619,144 |  |  |  |  |
Unrecognized tax benefits | 0 |  | 0 | 0 |  |  |  |
Accrued interest and penalties | 0 |  | 0 | 0 |  |  |  |
Cash subject to federal depository insurance | 250,000 |  | 250,000 | $ 250,000 |  |  |  |
Offering costs in transaction costs on the Statement of Operations | 1,021,001 |  | 1,021,001 |  |  |  |  |
Offering costs in transaction costs on equity | 8,619,144 |  | 8,619,144 |  |  |  |  |
IPO [Member] | CIK_0001819810_Genesis Park Acquisition Corp [Member] |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Adjustments to additional paid in capital stock issuance costs | 9,640,145 | $ 9,640,145 |  |  |  |  |  |
Underwriting discount | 3,275,524 | 3,275,524 |  |  |  |  |  |
Deferred underwriting fees | 5,732,168 | 5,732,168 | $ 5,732,168 |  |  |  |  |
Other offering costs | $ 632,453 | $ 632,453 |  |  |  |  |  |
Common Class B [Member] | CIK_0001819810_Genesis Park Acquisition Corp [Member] |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Antidilutive securities excluded from computation of earnings per share, amount | 267,135 |  |  |  |  |  |  |

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