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Investments in Securities and Fair Value Investments in Securities (Schedule of Fixed Maturity Securities) (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale, Amortized Cost, Fiscal Year Maturity [Abstract]
Due in one year or less	$ 43,179
Due after one year through five years	56,178
Due after five years through ten years	7,944
Due after ten years	5,287
Total, amortized cost	112,588	$ 63,106
Debt Securities, Available-for-sale, Fair Value, Fiscal Year Maturity [Abstract]
Due in one year or less	43,253
Due after one year through five years	56,297
Due after five years through ten years	7,956
Due after ten years	5,466
Total	$ 112,972

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