Financial Schedules Schedule III - Supplemental Insurance Information (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Supplementary Insurance Information, by Segment [Line Items]
Supplementary Insurance Information, Deferred policy acquisition costs	$ 157,468	$ 146,691
Supplementary Insurance Information, Future policy benefit reserves and policy claims payable	990,652	891,004
Supplementary Insurance Information, Unearned premiums	2,442	1,638
Supplementary Insurance Information, Other policy claims and benefits payable	60,795	52,566
Life Insurance Segment [Member]
Supplementary Insurance Information, by Segment [Line Items]
Supplementary Insurance Information, Deferred policy acquisition costs	126,756	118,274
Supplementary Insurance Information, Future policy benefit reserves and policy claims payable	730,318	647,728
Supplementary Insurance Information, Unearned premiums	2,195	1,415
Supplementary Insurance Information, Other policy claims and benefits payable	58,823	49,668
Home Service Insurance Segment [Member]
Supplementary Insurance Information, by Segment [Line Items]
Supplementary Insurance Information, Deferred policy acquisition costs	30,712	28,417
Supplementary Insurance Information, Future policy benefit reserves and policy claims payable	260,334	243,276
Supplementary Insurance Information, Unearned premiums	247	223
Supplementary Insurance Information, Other policy claims and benefits payable	1,972	2,898
Other Non-Insurance Enterprise Segment [Member]
Supplementary Insurance Information, by Segment [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