Accumulated Other Comprehensive Income (Amounts reclassified out of AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Net realized investment gains	$ 287	$ 130	$ 536	$ 517
Tax (expense) or benefit	(367)	(804)	(1,129)	(1,326)
Net Income	$ 930	$ 1,616	3,167	3,547	$ 4,697
Reclassification out of Accumulated Other Comprehensive Income [Member] | Unrealized Gains and Losses on Available-for-Sale Securities [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Net realized investment gains			338	522
Total before tax			338	522
Tax (expense) or benefit			(115)	(177)
Net Income			$ 223	$ 345