Annual report pursuant to Section 13 and 15(d)

Marketable Securities and Fair Value Measurements - Summary of Company's Available-for-Sale Securities (Detail)

v3.22.1
Marketable Securities and Fair Value Measurements - Summary of Company's Available-for-Sale Securities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Schedule Of Available For Sale Securities [Line Items]    
Cost Basis $ 152,153 $ 92,443
Fair Value 118,061 68,667
Fair Value 8,986 0
Cash Equivalents - Money Market Funds, Commercial Paper and Corporate Bonds    
Schedule Of Available For Sale Securities [Line Items]    
Cost Basis 25,058 23,793
Unrealized Gain 0 0
Unrealized Loss 0 0
Fair Value 25,058 23,793
Marketable Securities, Current - Commercial Paper, Treasury Bills and Corporate Bonds    
Schedule Of Available For Sale Securities [Line Items]    
Cost Basis 118,084 68,650
Unrealized Gain 6 19
Unrealized Loss (29) (2)
Fair Value 118,061 $ 68,667
Marketable Securities, Non-current - Treasury Bills    
Schedule Of Available For Sale Securities [Line Items]    
Unrealized Gain 0  
Unrealized Loss (25)  
Cost Basis 9,011  
Fair Value $ 8,986