Insurance Reserves and Policyholder Funds, Incurred Paid Claims Reconciliation (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	$ 67,116
Reinsurance recoverable on unpaid losses [Abstract]
Total reinsurance recoverable on unpaid losses	17,647	$ 17,690
Unallocated claims adjustment expenses	2,721
Total gross liability for unpaid losses, claims and loss adjustment expenses	87,484	$ 85,620	$ 79,147
Medicare Supplement [Member]
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	12,916
Reinsurance recoverable on unpaid losses [Abstract]
Total reinsurance recoverable on unpaid losses	9,382
Automobile Liability [Member]
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	43,201
Reinsurance recoverable on unpaid losses [Abstract]
Total reinsurance recoverable on unpaid losses	5,086
Automobile Physical Damage [Member]
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	2,648
Reinsurance recoverable on unpaid losses [Abstract]
Total reinsurance recoverable on unpaid losses	334
General Liability [Member]
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	3,826
Reinsurance recoverable on unpaid losses [Abstract]
Total reinsurance recoverable on unpaid losses	2,451
Surety [Member]
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	3,313
Other Short-Duration Insurance Lines [Member]
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	1,212
Reinsurance recoverable on unpaid losses [Abstract]
Total reinsurance recoverable on unpaid losses	$ 394