Quarterly report pursuant to Section 13 or 15(d)

Selected Balance Sheet Data - Schedule of Other Assets (Detail)

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Selected Balance Sheet Data - Schedule of Other Assets (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Other Assets [Line Items]    
Other assets, current $ 16,014 $ 16,203
Other assets, non-current $ 16,116 14,972
Treasury note term 1 year  
Investments In Convertible Notes | Measurement Input, Weighted Average Term    
Other Assets [Line Items]    
Convertible note, measurement input 1.6  
Minimum | Investments In Convertible Notes    
Other Assets [Line Items]    
Investment interest rate 6.00%  
Maximum | Investments In Convertible Notes    
Other Assets [Line Items]    
Investment interest rate 10.00%  
Security deposits    
Other Assets [Line Items]    
Other assets, current $ 0 0
Other assets, non-current 1,478 1,491
Employee notes receivable    
Other Assets [Line Items]    
Other assets, current 30 37
Other assets, non-current 19 26
Securities, held-to-maturity    
Other Assets [Line Items]    
Other assets, current 9,500 9,500
Other assets, non-current 0 0
Loan performance fee receivable    
Other Assets [Line Items]    
Other assets, current 2,094 1,725
Other assets, non-current 9,123 7,885
Other    
Other Assets [Line Items]    
Other assets, current 4,390 4,941
Other assets, non-current 223 489
Investments In Convertible Notes    
Other Assets [Line Items]    
Other assets, current 0 0
Other assets, non-current $ 5,273 $ 5,081