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Investments - Equity Securities (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Equity Securities, FV-NI, Gain (Loss) [Abstract] |  |
Cost | $ 15,924 | $ 15,838
Fair Value | 14,140 | 16,068
Equity securities |  |
Equity Securities, FV-NI, Gain (Loss) [Abstract] |  |
Cost | 15,924 | 15,838
Gross gains | 0 | 264
Gross losses | (1,784) | (34)
Fair Value | $ 14,140 | $ 16,068

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