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Investments - Equity Securities, FV-NI (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Debt and Equity Securities, FV-NI |  |
Fair value | $ 37,552 | $ 37,958
Percent of Total | 100.00% | 100.00%
Mutual Fund |  |
Debt and Equity Securities, FV-NI |  |
Fair value | $ 33,027 | $ 33,064
Percent of Total | 88.00% | 87.10%
Nonredeemable Preferred Stocks |  |
Debt and Equity Securities, FV-NI |  |
Fair value | $ 4,525 | $ 4,894
Percent of Total | 12.00% | 12.90%

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