Reinsurance (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Maximum Retention of Life Insurance Face Amount	$ 100,000	$ 100,000
Reinsurance Retention Policy, Reinsured Risk, Percentage	100.00%
Maximum Amount of Casualty Reinsurance for First Catastrophe	$ 10,000,000	10,000,000
Reinsurance Deductible for First Catastrophe	$ 500,000	500,000
Percentage Amount of Coinsurance for Accident and Health Insurance Reinsurance	100.00%
Reinsurance Recoverable on Claims Payable and Future Policy Benefit Reserves for a specific reinsurer	$ 45,000
Reinsurance Recoverable on Claims Payable and Future Policy Benefit Reserves	3,664,000	3,715,000
Maximum Amount of Casualty Reinsurance for Second Catastrophy	10,000,000
Reinsurance Deductible for Second Catastrophy	500,000
Assumed Premiums, Life Insurance in Force	5,202,000	5,564,000	$ 22,915,000
Aggregate ceded life insurance in force	(490,295,000)	(503,685,000)	(522,821,000)
Premiums, Net, Life Insurance in Force	4,350,538,000	4,469,735,000	4,497,735,000
Direct Premiums Earned	191,561,000	200,711,000	201,074,000
Assumed Premiums Earned	99,000	142,000	151,000
Ceded Premiums Earned	(3,800,000)	(3,133,000)	(3,349,000)
Net reinsurance premiums earned	181,825,000	191,342,000	191,254,000
Premiums Earned, Net	187,860,000	197,720,000	197,876,000
Claims and surrenders assumed	159,000	247,000	237,000
Claims and surrenders ceded	(705,000)	(946,000)	(877,000)
Payments for Reinsurance	790,000	828,000	800,000
Life and Accident & Health Product Lines [Member]
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Direct Premiums Earned	184,721,000	193,778,000	194,147,000
Assumed Premiums Earned	99,000	142,000	151,000
Ceded Premiums Earned	(2,996,000)	(2,352,000)	(2,521,000)
Net reinsurance premiums earned	181,824,000	191,568,000	191,777,000
Property and Casualty, Personal Insurance Product Line [Member]
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Direct Premiums Earned	6,840,000	6,933,000	6,927,000
Assumed Premiums Earned	0	0	0
Ceded Premiums Earned	(804,000)	(781,000)	(828,000)
Net reinsurance premiums earned	$ 6,036,000	$ 6,152,000	$ 6,099,000