Investments Cash, Cash Equivalents and Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Investments, Debt and Equity Securities [Abstract]
Fixed maturity securities	$ 983,676	$ 932,159
Fixed maturity securities percent	84.70%	83.60%
Available-for-sale Securities, Equity Securities	$ 66,668	$ 69,879
Equity securities percent	5.70%	6.30%
Mortgage loans	$ 599	$ 628
Mortgage loans percent	0.10%	0.10%
Policy loans	$ 58,968	$ 54,032
Policy loans percent	5.10%	4.80%
Real estate and other long-term investments	$ 8,076	$ 8,266
Real estate and other long-term investments percent	0.70%	0.70%
Other Short-term Investments	$ 254	$ 0
Percentage of Short Term Investments As to Carrying Value	0.00%	0.00%
Cash and cash equivalents	$ 42,831	$ 50,708	$ 56,986	$ 54,593
Cash and cash equivalents percent	3.70%	4.50%
Total cash, cash equivalents and investments	$ 1,161,072	$ 1,115,672
Total cash, cash equivalents and investments percent	100.00%	100.00%