Basis of Presentation of Interim Period Statements - Schedule of Reconciles of Cash, Cash Equivalents and Restricted Cash Balances (Detail) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Dec. 31, 2020
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents [Abstract]
Cash and cash equivalents	$ 58,951	$ 69,405	$ 12,860	$ 68,688
Restricted cash, included in restricted cash and investments	9,067	9,224	9,358	165,149
Total cash, cash equivalents and restricted cash shown in the statements of cash flows	$ 68,018	$ 78,629	$ 22,218	$ 233,837