Accumulated Other Comprehensive Income (Amounts reclassified out of AOCI) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Net realized investment gains	$ 141	$ 3,297	$ 541	$ 4,354
Tax (expense) or benefit	(803)	(1,524)	(997)	(1,102)
Net income	1,797	3,339	4,730	3,895	5,658
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			366	1,108
Total before tax			366	1,108
Tax (expense) or benefit			(124)	(377)
Net income			$ 242	$ 731