Stock-Based Compensation - Stock Option Awards - Additional information (Details) - Blade Urban Air Mobility [Member] - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
Mar. 31, 2021 |
Mar. 31, 2020 |
Sep. 30, 2020 |
Sep. 30, 2019 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||||
| Stock option expense | $ 1,904 | $ 87 | $ 3,179 | $ 178 | $ 490 | $ 317 |
| Unamortized value of stock options | $ 803 | |||||
| Unamortized value of stock options, weighted average remaining amortization period | 1 year 3 months 18 days | |||||
| Stock Option | ||||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||||
| Stock option expense | 109 | $ 87 | 357 | $ 178 | ||
| Unamortized value of stock options | $ 704 | $ 704 | ||||
| Unamortized value of stock options, weighted average remaining amortization period | 1 year | |||||
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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 Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cost to be recognized for option under share-based payment arrangement. 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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