Reinsurance (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]
Maximum Retention of Life Insurance Face Amount	$ 100,000
Reinsurance Retention Policy, Reinsured Risk, Percentage	100.00%
Maximum Amount of Casualty Reinsurance for First Catastrophe	$ 10,000,000
Contracts in Force Subject to Participation through Reinsurance, Ratio	0.20%	0.20%	0.10%
Maximum Amount of Casualty Reinsurance for Second Catastrophy	$ 10,000,000
Reinsurance Deductible for First Catastrophe	500,000
Reinsurance Deductible for Second Catastrophy	$ 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	$ 100,000
Reinsurance Recoverable on Claims Payable and Future Policy Benefit Reserves	4,166,000	$ 4,425,000
Assumed Premiums, Life Insurance in Force	36,766,000	268,641,000	$ 352,013,000
Aggregate ceded life insurance in force	(516,933,000)	(516,643,000)	(467,491,000)
Premiums, Net, Life Insurance in Force	4,478,202,000	4,662,660,000	4,616,128,000
Direct Premiums Earned	197,337,000	191,438,000	179,386,000
Assumed Premiums Earned	353,000	421,000	188,000
Ceded Premiums Earned	3,210,000	3,327,000	3,416,000
Net reinsurance premiums earned	187,686,000	181,857,000	169,683,000
Premiums Earned, Net	194,480,000	188,532,000	176,158,000
Claims and surrenders assumed	414,000	466,000	232,000
Claims and surrenders ceded	(1,013,000)	(1,108,000)	(424,000)
Payments for Reinsurance	900,000	1,000,000	1,100,000
Premiums from short-duration contracts
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]
Direct Premiums Earned	7,223,000	7,209,000	7,129,000
Assumed Premiums Earned	0	0	0
Ceded Premiums Earned	873,000	967,000	1,107,000
Net reinsurance premiums earned	6,350,000	6,242,000	6,022,000
Premiums from long-duration contracts
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]
Direct Premiums Earned	190,114,000	184,229,000	172,257,000
Assumed Premiums Earned	353,000	421,000	188,000
Ceded Premiums Earned	2,337,000	2,360,000	2,309,000
Net reinsurance premiums earned	$ 188,130,000	$ 182,290,000	$ 170,136,000