Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments - Schedule of Cash and Cash Equivalents (Detail)

v3.22.2.2
Financial Instruments - Schedule of Cash and Cash Equivalents (Detail) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Schedule Of Available For Sale Securities [Line Items]    
Total Cash and Debt Securities $ 196,071 $ 254,722
Total Fair Value, Cash and Debt Securities 196,071 254,722
Cash and cash equivalents 196,071 254,722
Cash [Member]    
Schedule Of Available For Sale Securities [Line Items]    
Cash and cash equivalents 195,037 253,693
Fair Value, Cash 195,037 253,693
Level 1 [Member] | Money Market Funds [Member]    
Schedule Of Available For Sale Securities [Line Items]    
Cash and cash equivalents 1,034 1,029
Cash and cash equivalents gross before unrealized losses 1,034 1,029
Fair Value, Cash $ 1,034 $ 1,029