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Marketable Securities - Narrative (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]    
Available-for-sale securities $ 66,306 $ 83,822
Short-term debt    
Debt Securities, Available-for-sale [Line Items]    
Available-for-sale securities $ 62,292 $ 76,702
Debt securities, available-for-sale, maturity period 1 year 1 year
Long-term debt    
Debt Securities, Available-for-sale [Line Items]    
Available-for-sale securities $ 4,000 $ 7,120
Debt securities, available-for-sale, maturity period 4 years 2 years