Financial Schedules Schedule III - Supplemental Insurance Information (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Supplementary Insurance Information, Deferred policy acquisition costs	$ 155,747	$ 167,063
Supplementary Insurance Information, Future policy benefit reserves and policy claims payable	1,264,881	1,217,163
Supplementary Insurance Information, Unearned premiums	1,145	1,329
Supplementary Insurance Information, Other policy claims and benefits payable	84,418	82,298
Life Insurance Segment [Member]
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Supplementary Insurance Information, Deferred policy acquisition costs	117,845	130,566
Supplementary Insurance Information, Future policy benefit reserves and policy claims payable	987,086	943,907
Supplementary Insurance Information, Unearned premiums	914	1,090
Supplementary Insurance Information, Other policy claims and benefits payable	82,641	80,503
Home Service Insurance Segment [Member]
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Supplementary Insurance Information, Deferred policy acquisition costs	37,902	36,497
Supplementary Insurance Information, Future policy benefit reserves and policy claims payable	277,795	273,256
Supplementary Insurance Information, Unearned premiums	231	239
Supplementary Insurance Information, Other policy claims and benefits payable	1,777	1,795
Other Non-Insurance Enterprises [Member]
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Supplementary Insurance Information, Deferred policy acquisition costs	0	0
Supplementary Insurance Information, Future policy benefit reserves and policy claims payable	0	0
Supplementary Insurance Information, Unearned premiums	0	0
Supplementary Insurance Information, Other policy claims and benefits payable	$ 0	$ 0