Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Cash and Restricted Cash (Details)

v3.21.2
Summary of Significant Accounting Policies - Cash and Restricted Cash (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Sep. 30, 2020
Dec. 31, 2019
Accounting Policies [Abstract]        
Cash $ 717,593 $ 519,965 $ 276,052 $ 269,577
Restricted cash, current and long-term 223,528 188,243 105,462 93,652
Total $ 941,121 $ 708,208 $ 381,514 $ 363,229