Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Summary of Stock-based Compensation Expense (Detail)

v3.21.2
Stock-based Compensation - Summary of Stock-based Compensation Expense (Detail) - Bird Rides [Member] - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Share-based payment arrangement, expense $ 1,528 $ 1,208 $ 4,296 $ 4,754
Sales And Marketing [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Share-based payment arrangement, expense 94 211 375 663
Research And Development [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Share-based payment arrangement, expense 175 193 569 663
General And Administrative [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Share-based payment arrangement, expense $ 1,259 $ 804 $ 3,352 $ 3,428