Stock-based Compensation - Summary Of Restricted Stock Option Activity (Detail) - 2017 Amended Equity Incentive Plan [Member] - Restricted stock units [Member] - Bird Rides [Member] - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Number of Shares, Beginning Balance | 804,294 | 1,242,999 | |
| Number of Shares, Vested | (438,705) | (438,705) | |
| Number of Shares, Ending Balance | 365,589 | 804,294 | |
| Number of Shares, Vested at December 31, 2020 | 1,433,847 | ||
| Aggregate intrinsic value, Outstanding | $ 768 | $ 2,558 | $ 6,165 |
| Aggregate intrinsic value, Vested at December 31, 2020 | $ 3,011 | ||
| Weighted Average Grant Date Fair Value, Beginning Balance | $ 0.19 | $ 0.19 | |
| Weighted Average Grant Date Fair Value, Vested | 0.19 | 0.19 | |
| Weighted Average Grant Date Fair Value, Ending Balance | 0.19 | $ 0.19 | |
| Weighted Average Grant Date Fair Value, Vested at December 31, 2020 | $ 0.19 | ||
| X | ||||||||||
- Definition Share based compensation by share based award equity instruments other than options cumulative vesting weighted average grant date fair value. No definition available.
|
| X | ||||||||||
- Definition Share based compensation by share based award equity instruments other than options cumulatively vested. No definition available.
|
| X | ||||||||||
- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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.
|
| X | ||||||||||
- Definition Intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options. No definition available.
|
| X | ||||||||||
- Definition Intrinsic value of vested award under share-based payment arrangement. Excludes share and unit options. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|