Insurance Reserves and Policyholder Funds, Incurred Paid Claims Reconciliation (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	$ 70,710
Reinsurance recoverable on unpaid losses [Abstract]
Total reinsurance recoverable on unpaid losses	14,678	$ 17,647
Unallocated claims adjustment expenses	2,090
Total gross liability for unpaid losses, claims and loss adjustment expenses	87,478	$ 87,484	$ 85,620
Medicare Supplement [Member]
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	12,284
Reinsurance recoverable on unpaid losses [Abstract]
Total reinsurance recoverable on unpaid losses	8,263
Automobile Liability [Member]
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	46,569
Reinsurance recoverable on unpaid losses [Abstract]
Total reinsurance recoverable on unpaid losses	3,870
Automobile Physical Damage [Member]
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	1,430
Reinsurance recoverable on unpaid losses [Abstract]
Total reinsurance recoverable on unpaid losses	303
General Liability [Member]
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	5,183
Reinsurance recoverable on unpaid losses [Abstract]
Total reinsurance recoverable on unpaid losses	2,242
Surety [Member]
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	2,853
Other Short-Duration Insurance Lines [Member]
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	2,391
Reinsurance recoverable on unpaid losses [Abstract]
Total reinsurance recoverable on unpaid losses	$ 0