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Investments (Summary of Available-for-sale Investments) (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Apr. 12, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |  |
Maximum exposure to loss | $ 109,228 |  | $ 122,593
Amortized Cost | 15,000 |  |
Gross Unrealized Gains | 0 |  |
Gross Unrealized Losses | 0 |  |
Fair Value | 15,000 |  |
Investment in corporate debt securities |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Maximum exposure to loss | 15,000 |  |
Amortized Cost | 15,000 |  |
Gross Unrealized Gains | 0 |  |
Gross Unrealized Losses | 0 |  |
Fair Value | $ 15,000 | $ 15,000 |

X
- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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