v3.26.1
Stockholders’ Equity - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended
Mar. 31, 2026
Aug. 31, 2025
Mar. 31, 2025
Nov. 30, 2021
Mar. 31, 2026
Mar. 31, 2025
Apr. 30, 2026
Feb. 29, 2024
May 31, 2022
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]                  
Common stock purchased (in shares)           4,720,415      
Common stock retired (in shares)           4,720,415      
Intrinsic value of options exercised         $ 300 $ 300      
Options granted (in shares)         0 0      
Stock-based compensation         $ 14,762 $ 17,091      
Unrecognized stock-based compensation expense $ 113,600       $ 113,600        
Unrecognized stock-based compensation expense, expected period of recognition (in years)         2 years 6 months        
Class A Common Stock                  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]                  
Common stock purchased (in shares)         16,992,982        
Stock repurchase program, authorized amount                 $ 100,000
Stock repurchase program, authorized increase amount               $ 150,000  
Common stock retired (in shares)         16,992,982        
Average cost per share (in USD per share)         $ 1.69 $ 1.92      
Common stock retired, amount         $ 28,700 $ 9,100      
Class A Common Stock | Subsequent Event                  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]                  
Stock repurchase program, authorized amount             $ 100,000    
Outstanding stock options                  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]                  
Minimum threshold of voting power (as a percent)         10.00%        
Minimum proportion of fair market value of stock options granted to grantees that own more than 10% of voting power (as a percent)         110.00%        
Expiration period (in years)         10 years        
Awards granted during period (in shares)         33,863,000        
Outstanding stock options | Minimum                  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]                  
Vesting period (in years)         2 years        
Outstanding stock options | Maximum                  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]                  
Vesting period (in years)         3 years        
Stock Options - Grantees Owning >10% of Voting Power                  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]                  
Expiration period (in years)         5 years        
Unvested RSUs | Class A Common Stock | Minimum                  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]                  
Vesting period (in years)         2 years        
Unvested RSUs | Class A Common Stock | Maximum                  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]                  
Vesting period (in years)         3 years        
Market-Based Performance Stock Unit | CEO                  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]                  
Stock-based compensation         $ 1,400 $ 1,200      
Market-Based Performance Stock Unit | Class A Common Stock | CEO                  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]                  
Vesting period (in years)     4 years            
Awards granted during period (in shares) 5,857,778 947,867 722,005            
The 2021 Plan                  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]                  
Shares reserved for issuance (in shares) 46,008,885       46,008,885        
Increase in number of stock available for grant as a proportion of common stock outstanding (as a percent)         5.00%        
The 2021 Plan | Employee Stock | Class A Common Stock                  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]                  
Shares reserved for issuance (in shares)       8,901,159          
ESPP, purchase price as proportion of common stock price (as a percent)       85.00%          
Common stock purchased (in shares)         307,511 408,404      
The 2021 Plan | Employee Stock | Class B Common Stock                  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]                  
Shares reserved for issuance (in shares)       89,011,590          
Increase in number of stock available for grant as a proportion of common stock outstanding (as a percent)       1.00%          
The 2021 Plan | Market-Based Performance Stock Unit                  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]                  
Vesting period (in years) 4 years                
The 2021 Plan | Market-Based Performance Stock Unit | CEO                  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]                  
Grant date fair value         $ 14,900 $ 2,600