Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation of Interim Period Statements - Schedule of Reconciles of Cash, Cash Equivalents and Restricted Cash Balances (Detail)

v3.20.2
Basis of Presentation of Interim Period Statements - Schedule of Reconciles of Cash, Cash Equivalents and Restricted Cash Balances (Detail) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Jun. 30, 2019
Dec. 31, 2018
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents [Abstract]        
Cash and cash equivalents $ 62,210 $ 44,570 $ 23,693 $ 35,371
Restricted cash, included in restricted cash and investments 93,320 228,771 193,596 105,331
Total cash, cash equivalents and restricted cash shown in the statement of cash flows $ 155,530 $ 273,341 $ 217,289 $ 140,702