Accumulated Other Comprehensive Income (Amounts reclassified out of AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Net realized investment gains (losses)	$ 130	$ 141	$ 517	$ 541
Tax (expense) or benefit	(804)	(803)	(1,326)	(997)
Net income	$ 1,616	$ 1,797	3,547	4,730	$ 7,616
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 (losses)			522	366
Total before tax			522	366
Tax (expense) or benefit			(177)	(124)
Net income			$ 345	$ 242