Financial Schedules Schedule III - Supplemental Insurance Information (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Supplementary Insurance Information, by Segment [Line Items]
Supplementary Insurance Information, Deferred policy acquisition costs	$ 135,569	$ 124,542
Supplementary Insurance Information, Future policy benefit reserves and policy claims payable	830,575	760,194
Supplementary Insurance Information, Unearned premiums	997	907
Supplementary Insurance Information, Other policy claims and benefits payable	47,860	43,745
Life Insurance Segment [Member]
Supplementary Insurance Information, by Segment [Line Items]
Supplementary Insurance Information, Deferred policy acquisition costs	110,144	101,850
Supplementary Insurance Information, Future policy benefit reserves and policy claims payable	583,553	517,869
Supplementary Insurance Information, Unearned premiums	791	693
Supplementary Insurance Information, Other policy claims and benefits payable	43,063	38,929
Home Service Insurance Segment [Member]
Supplementary Insurance Information, by Segment [Line Items]
Supplementary Insurance Information, Deferred policy acquisition costs	25,425	22,692
Supplementary Insurance Information, Future policy benefit reserves and policy claims payable	247,022	242,325
Supplementary Insurance Information, Unearned premiums	206	214
Supplementary Insurance Information, Other policy claims and benefits payable	4,797	4,816
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