Basis of Presentation of Interim Period Statements - Schedule of Reconciles of Cash, Cash Equivalents and Restricted Cash Balances (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents [Abstract]
Cash and cash equivalents	$ 46,074	$ 69,405	$ 28,545	$ 68,688
Restricted cash, included in restricted cash and investments	8,763	9,224	68,001	165,149
Total cash, cash equivalents and restricted cash shown in the statements of cash flows	$ 54,837	$ 78,629	$ 96,546	$ 233,837