Financial Schedules Schedule IV - Reinsurance (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Life Insurance Assumed Ratio	0.10%	0.10%	0.50%
Direct Premiums, Life Insurance in Force	$ 4,835,631	$ 4,967,856	$ 4,997,641
Ceded Premiums, Life Insurance in Force	490,295	503,685	522,821
Assumed Premiums, Life Insurance in Force	5,202	5,564	22,915
Premiums, Net, Life Insurance in Force	4,350,538	4,469,735	4,497,735
Direct Premiums Earned	191,561	200,711	201,074
Ceded Premiums Earned	3,800	3,133	3,349
Assumed Premiums Earned	99	142	151
Premiums Earned, Net	$ 187,860	$ 197,720	$ 197,876
Contracts in Force Subject to Participation through Reinsurance, Ratio	0.10%	0.10%	0.10%
Life Insurance Segment [Member]
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Direct Premiums Earned	$ 184,722	$ 193,534	$ 193,604
Ceded Premiums Earned	2,996	2,334	2,501
Assumed Premiums Earned	99	142	151
Premiums Earned, Net	181,825	191,342	191,254
Accident and Health Insurance Segment [Member]
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Direct Premiums Earned	1,232	1,410	1,566
Ceded Premiums Earned	14	18	20
Assumed Premiums Earned	0	0	0
Premiums Earned, Net	1,218	1,392	1,546
Property, Liability and Casualty Insurance Segment [Member]
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Direct Premiums Earned	5,607	5,767	5,904
Ceded Premiums Earned	790	781	828
Assumed Premiums Earned	0	0	0
Premiums Earned, Net	$ 4,817	$ 4,986	$ 5,076