Insurance Reserves and Policyholder Funds, Incurred Paid Claims Reconciliation (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	$ 65,773
Reinsurance recoverable on unpaid losses [Abstract]
Total reinsurance recoverable on unpaid losses	17,690	$ 17,600
Unallocated claims adjustment expenses	2,157
Total gross liability for unpaid losses, claims and loss adjustment expenses	85,620	$ 79,147	$ 81,448
Medicare Supplement [Member]
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	15,269
Reinsurance recoverable on unpaid losses [Abstract]
Total reinsurance recoverable on unpaid losses	10,753
Automobile Liability [Member]
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	39,787
Reinsurance recoverable on unpaid losses [Abstract]
Total reinsurance recoverable on unpaid losses	4,506
Automobile Physical Damage [Member]
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	2,448
Reinsurance recoverable on unpaid losses [Abstract]
Total reinsurance recoverable on unpaid losses	274
General Liability [Member]
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	3,280
Reinsurance recoverable on unpaid losses [Abstract]
Total reinsurance recoverable on unpaid losses	2,157
Surety [Member]
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	3,391
Other Short-Duration Insurance Lines [Member]
Net outstanding liabilities [Abstract]
Liabilities for unpaid losses, claims and loss adjustment expenses, net of reinsurance	$ 1,598