Quarterly report pursuant to Section 13 or 15(d)

Restricted Cash (Details)

v3.21.2
Restricted Cash (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Cash and Cash Equivalents [Line Items]    
Restricted cash $ 22,932 $ 22,856
Bank Time Deposits    
Cash and Cash Equivalents [Line Items]    
Restricted cash 6,932 6,856
Letter of Credit    
Cash and Cash Equivalents [Line Items]    
Restricted cash $ 16,000 $ 16,000