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Fair Value Measurements and Investments - Schedule of Reconciliation of Investments in Equity Securities (Detail) - Preferred Stock [Member] - Neo Medical [Member] - USD ($)
$ in Thousands
6 Months Ended 9 Months Ended
Jun. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Fair value of equity securities beginning balance $ 5,000 $ 5,413 $ 5,000
Conversion of loan into preferred equity securities 671  
Fair value of equity securities Ending balance   6,084 5,000
Cumulative unrealized gain on Neo Medical preferred equity securities   $ 413 $ 0