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Investments - Schedule of Gross Unrealized Holding Losses and Fair Value for Investments in Unrealized Loss Position (Details)
$ in Thousands
Jun. 30, 2021
USD ($)
Schedule of Available-for-Sale Securities [Line Items]  
Less than 12 months, Fair value $ 86,566
Less than 12 months, Unrealized loss (50)
U.S. Government Debt Securities  
Schedule of Available-for-Sale Securities [Line Items]  
Less than 12 months, Fair value 71,285
Less than 12 months, Unrealized loss (43)
Corporate Bonds  
Schedule of Available-for-Sale Securities [Line Items]  
Less than 12 months, Fair value 15,281
Less than 12 months, Unrealized loss $ (7)