Stock-Based Compensation - Allocated Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands  | 
3 Months Ended | |
|---|---|---|
Mar. 31, 2022  | 
Mar. 31, 2021  | 
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Total stock-based compensation expense | $ 10,240 | $ 508 | 
| Cost of Sales | Imagery & software analytical services | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Total stock-based compensation expense | 801 | 0 | 
| Cost of Sales | Engineering & systems integration | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Total stock-based compensation expense | 120 | 0 | 
| Selling, general and administrative | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Total stock-based compensation expense | $ 9,319 | $ 508 | 
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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