Intangible Assets - Purchase of Customer List (Details) - Blade Urban Air Mobility [Member] - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended | ||
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Dec. 16, 2020 |
Mar. 08, 2019 |
Mar. 31, 2021 |
Sep. 30, 2019 |
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| Finite-Lived Intangible Assets [Line Items] | ||||
| Cash consideration | $ 503 | $ 503 | $ 250 | |
| Underhill | ||||
| Finite-Lived Intangible Assets [Line Items] | ||||
| Cash consideration | $ 250 | |||
| Useful life | 5 years |
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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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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- Definition The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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