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Investments - Schedule of Proceeds from Sales and Maturities of Marketable Securities Plus Resulting Realized Gains and Losses (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Investments Debt And Equity Securities [Abstract]    
Proceeds from the sales and maturities of investments $ 190,994 $ 239,228
Realized gains   34
Realized losses $ 529 $ 977