XML 60 R45.htm IDEA: XBRL DOCUMENT v3.22.0.1
Other Current Assets and Other Long-Term Assets - Narrative (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Other long-term assets $ 19,049 $ 9,157
Deposits paid for research and development 18,400 8,600
Letter of credit secured by restricted cash $ 600 $ 600