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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2021
Mar. 31, 2020
Reconciliation of cash, cash equivalents and restricted cash to balance sheet as of March 31st:    
Cash and cash equivalents $ 329,031 $ 150,034
Total cash, cash equivalents and restricted cash 330,033 151,534
Other current assets    
Reconciliation of cash, cash equivalents and restricted cash to balance sheet as of March 31st:    
Restricted cash 502 500
Deposits and other assets    
Reconciliation of cash, cash equivalents and restricted cash to balance sheet as of March 31st:    
Restricted cash $ 500 $ 1,000