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Investments - Equity Securities (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Equity Securities, FV-NI, Gain (Loss) [Abstract] |  |
Equity securities, at fair value | $ 14,771 | $ 14,140
Equity securities |  |
Equity Securities, FV-NI, Gain (Loss) [Abstract] |  |
Cost | 16,025 | 15,924
Fair value gains | 5 | 0
Fair value losses | (1,259) | (1,784)
Equity securities, at fair value | $ 14,771 | $ 14,140

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- Definition Amount of unrealized gain on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 321 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479536/321-10-50-4 + Details
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