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

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 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]            
Share-based payment arrangement, expense $ 1,528 $ 1,208 $ 4,296 $ 4,754 $ 6,174 $ 30,738
Cost of Sales [Member]            
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]            
Share-based payment arrangement, expense         15 20
Sales And Marketing [Member]            
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]            
Share-based payment arrangement, expense 94 211 375 663 895 778
Research And Development [Member]            
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]            
Share-based payment arrangement, expense 175 193 569 663 892 1,156
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 $ 4,372 $ 28,784