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v3.23.1

Fair Value Measurements (Narrative) (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 USD ($) item | Mar. 31, 2022 USD ($) | Dec. 31, 2022 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Long-term investments | $ 37,068 |  | $ 40,696
Short-term investments | 1,864 |  | $ 1,331
Purchase of short-term investments | 213,300 | $ 30,200 |
Proceeds from sale of short-term investments | $ 213,000 | $ 30,200 |
Minimum [Member] | Measurement Input, Discount Rate [Member] | Valuation Technique, Discounted Cash Flow [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Average discount rate | item | 7.2 |  |
Maximum [Member] | Measurement Input, Discount Rate [Member] | Valuation Technique, Discounted Cash Flow [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Average discount rate | item | 8.7 |  |
Revolving Credit Facility [Member] | Minimum [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Basis spread on variable interest rate | 1.125% |  |
Revolving Credit Facility [Member] | Maximum [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Basis spread on variable interest rate | 1.50% |  |

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