Investments (Details 5) - USD ($) $ in Thousands		3 Months Ended				9 Months Ended
		Sep. 30, 2015		Sep. 30, 2014		Sep. 30, 2015		Sep. 30, 2014
Net unrealized investment gains (losses) on fixed maturity securities, net of tax
Reclassification of net realized investment (gains) losses to net income	[1]	$ 1,004	[2]	$ 2,283	[3]	$ 5,957	[2]	$ 5,624	[3]
Fixed Maturity Securities [Member]
Net unrealized investment gains (losses) on fixed maturity securities, net of tax
Beginning of period		254,827		317,791		336,604		146,489
Change in unrealized investment gains and losses		7,436		(10,189)		(69,787)		163,613
Reclassification of net realized investment (gains) losses to net income		(835)		(1,824)		(5,389)		(4,324)
End of period		261,428		305,778		261,428		305,778
Equity securities [Member]
Net unrealized investment gains (losses) on fixed maturity securities, net of tax
Beginning of period		3,399		7,955		6,988		4,618
Change in unrealized investment gains and losses		(2,584)		(1,594)		(5,774)		2,584
Reclassification of net realized investment (gains) losses to net income		(169)		(459)		(568)		(1,300)
End of period		$ 646		$ 5,902		$ 646		$ 5,902

[1] All amounts are net of tax.

[2] The pretax amounts reclassified from accumulated other comprehensive income (loss), $1,545 and $9,165, are included in net realized investment gains and losses and the related tax expenses, $541 and $3,208, are included in income tax expense in the Consolidated Statements of Operations for the three and nine months ended September 30, 2015, respectively.

[3] The pretax amounts reclassified from accumulated other comprehensive income (loss), $3,512 and $8,652, are included in net realized investment gains and losses and the related tax expenses, $1,229 and $3,028, are included in income tax expense in the Consolidated Statements of Operations for the three and nine months ended September 30, 2014, respectively.