Stock-Based Compensation - Summary of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Net accrual reversal	$ 61		$ 55
Accrued expenses		$ (101)		$ 124
Stock Options And Restricted Stock
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation expense	5,410	5,546	9,621	10,089
Software development \| Stock Options And Restricted Stock
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation expense	118	101	230	81
General and administrative \| Stock Options And Restricted Stock
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation expense	5,212	5,120	9,199	9,317
Selling and marketing \| Stock Options And Restricted Stock
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation expense	$ 80	$ 325	$ 192	$ 691

Blade Air Mobility, Inc. 10-Q