General form of registration statement for all companies including face-amount certificate companies

Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail)

v3.21.2
Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail) - Bird Rides [Member] - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Restricted cash, current         $ 9,600 $ 9,200
Restricted cash, noncurrent         1,000 1,000
Goodwill $ 124,059   $ 124,059   131,255 1,296
Goodwill, impairment loss         0  
Intangible assets, net         $ 3,300 1,300
Number of return days policy on product sales         30 days  
limited warranty on product sales         1 year  
Contract with customer, asset         $ 0 0
Income tax expense (benefit) $ (20) $ 60 $ 110 $ 147 $ 64 $ 276
Effective income tax rate reconciliation, percent 0.05% 0.03% 0.07% 0.03% (0.03%) (0.07%)
Share-based compensation arrangement by share-based payment award, award requisite service period         4 years  
Share-based Payment Arrangement, Tranche One [Member]            
Share-based compensation arrangement by share-based payment award, award vesting period         1 day  
Share-based Payment Arrangement, Tranche Two [Member]            
Share-based compensation arrangement by share-based payment award, award vesting period         4 days  
Domestic Tax Authority [Member]            
Income tax expense (benefit)         $ 25,000  
Effective income tax rate reconciliation, percent         25.00%  
Maximum [Member]            
Finite-lived intangible asset, useful life           66 months
Minimum [Member]            
Finite-lived intangible asset, useful life         16 months  
Standby Letters of Credit [Member]            
Long-term line of credit         $ 5,300 $ 8,200