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Investments and Fair Value Measurements - Amortized Cost Basis and Fair Value of Debt Securities by Contractual Maturity (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Cost Basis    
Due in one year or less $ 97,104  
Due after one year through five years 8,205  
Cost Basis 105,309 $ 105,546
Fair Value    
Due in one year or less 96,993  
Due after one year through five years 8,184  
Market Value $ 105,177 $ 105,524