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Basis of Presentation of Interim Period Statements - Schedule of Reconciles of Cash, Cash Equivalents and Restricted Cash Balances (Detail) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Sep. 30, 2022
Dec. 31, 2021
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract]        
Cash and cash equivalents $ 41,579 $ 91,423 $ 58,951 $ 69,405
Restricted cash, included in restricted cash and investments 20,857 15,955 9,067 9,224
Total cash, cash equivalents and restricted cash shown in the statements of cash flows $ 62,436 $ 107,378 $ 68,018 $ 78,629