Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Cash, cash equivalents and restricted cash (Details)

v3.21.2
Cash, cash equivalents and restricted cash (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Jun. 30, 2020
Dec. 31, 2019
Cash and Cash Equivalents [Abstract]        
Cash and cash equivalents $ 1,402,918 $ 1,248,772 $ 2,382,655  
Restricted cash 190,447 246,518 260,466  
Total cash, cash equivalents and restricted cash $ 1,593,365 $ 1,495,290 $ 2,643,121 $ 1,300,347