v3.22.1
Investments - Equity Securities (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Debt and Equity Securities, FV-NI [Line Items]    
Fair Value $ 48,932 $ 44,062
Privately held equity securities    
Debt and Equity Securities, FV-NI [Line Items]    
Fair Value 48,224 42,888
Publicly traded equity securities    
Debt and Equity Securities, FV-NI [Line Items]    
Fair Value $ 708 $ 1,174