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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 | 6 Months Ended
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Jun. 30, 2021 | Jun. 30, 2020
Investments Debt And Equity Securities [Abstract] |  |
Proceeds from the sales and maturities of marketable securities | $ 175,499 | $ 147,859
Realized gains |  | $ 51
Realized losses | $ 977 |

X
- Definition Represents the profit realized on the sale of debt or equity securities categorized as held-to-maturity, trading securities and available-for-sale. + References No definition available. + Details
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X
- Definition Represents the loss realized on the sale of debt or equity securities categorized as held-to-maturity, trading securities and available-for-sale. + References No definition available. + Details
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Period Type: | duration

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- References No definition available. + Details
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X
- Definition The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period. + References No definition available. + Details
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