Investments (Equity Securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Debt and Equity Securities, FV-NI [Line Items]
Equity securities, at fair value	$ 5,716	$ 5,282
Bond Mutual Funds [Member]
Debt and Equity Securities, FV-NI [Line Items]
Equity securities, at fair value	766	740
Common Stock
Debt and Equity Securities, FV-NI [Line Items]
Equity securities, at fair value	774	665
Non-redeemable Preferred Stock [Member]
Debt and Equity Securities, FV-NI [Line Items]
Equity securities, at fair value	8	7
Nonredeemable Preferred Stock Fund Member [Member]
Debt and Equity Securities, FV-NI [Line Items]
Equity securities, at fair value	$ 4,168	$ 3,870