Investments Net Investment Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net Investment Income [Line Items]
Net Investment Income, Insurance Entity, Fixed Maturities	$ 48,560	$ 45,782	$ 41,062
Total Investment Income	50,183	47,429	43,202
Investment Income, Investment Expense	(1,623)	(1,647)	(2,140)
Debt Securities [Member]
Net Investment Income [Line Items]
Net Investment Income, Insurance Entity, Fixed Maturities	43,637	39,570	36,670
Equity Securities [Member]
Net Investment Income [Line Items]
Net Investment Income, Insurance Entity, Fixed Maturities	851	2,909	1,986
Mortgage Loans on Real Estate [Member]
Net Investment Income [Line Items]
Net Investment Income, Insurance Entity, Fixed Maturities	24	36	42
Policy Loans [Member]
Net Investment Income [Line Items]
Net Investment Income, Insurance Entity, Fixed Maturities	5,277	4,614	4,172
Other Long-term Investments [Member]
Net Investment Income [Line Items]
Net Investment Income, Insurance Entity, Fixed Maturities	305	247	287
Other Debt Obligations [Member]
Net Investment Income [Line Items]
Net Investment Income, Insurance Entity, Fixed Maturities	$ 89	$ 53	$ 45