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Business Acquisition - Summary of Preliminary Estimate of Fair Value of Assets Acquired and Liabilities Assumed (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Sep. 14, 2020
Business Acquisition [Line Items]    
Goodwill $ 48,648  
Anelixis [Member]    
Business Acquisition [Line Items]    
Cash and cash equivalents   $ 11,035
Prepaid expenses and other current assets   26
Other non-current assets   11
Accounts payable   (580)
Accrued expenses and other liabilities   (206)
Deferred tax liability   (4,510)
Net identifiable assets acquired   5,776
Goodwill   48,649
Identifiable intangible assets   32,386
Net assets acquired   $ 86,811