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Summary of Significant Accounting Policies - Cash, Cash Equivalents and Restricted Cash (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Mar. 31, 2021
Dec. 31, 2020
Accounting Policies [Abstract]        
Cash and cash equivalents $ 61,473 $ 37,590    
Restricted cash 500 500    
Cash, cash equivalents and restricted cash $ 61,973 $ 38,090 $ 609,689 $ 241,764