v3.2.0.727

Investments (Narrative) (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($) securities	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) securities	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($) securities
Schedule of Investments [Line Items]
Available-for-sale securities in unrealized loss position, number of positions | securities	666		666		552
Available-for-sale securities, estimated fair value	$ 2,631,349		$ 2,631,349		$ 2,031,032
Available-for-sale securities, gross unrealized holding and other-than-temporary impairment losses	$ (63,813)		$ (63,813)		$ (35,218)
Number of available-for-sale securities positions in a continuous unrealized loss position for one year or longer at period end | securities	275		275		396
Available-for-sale securities, estimated fair value, 12 months or longer	$ 906,844		$ 906,844		$ 1,333,930
Available-for-sale securities, gross unrealized holding and other-than-temporary impairment losses, 12 months or longer	(22,198)		(22,198)		(22,079)
Cumulative credit losses recognized in net income	10,700		10,700		12,700
Other-than-temporary impairment losses recognized in net income	0	$ (1,007)	(5,092)	$ (1,007)
Fixed Maturities [Member]
Schedule of Investments [Line Items]
Available-for-sale securities, estimated fair value	2,347,769		2,347,769		1,746,787
Available-for-sale securities, gross unrealized holding and other-than-temporary impairment losses	$ (49,029)		$ (49,029)		$ (27,847)
Number of available-for-sale securities positions in a continuous unrealized loss position for one year or longer at period end | securities	271		271		396
Available-for-sale securities, estimated fair value, 12 months or longer	$ 880,696		$ 880,696		$ 1,333,930
Available-for-sale securities, gross unrealized holding and other-than-temporary impairment losses, 12 months or longer	(19,638)		(19,638)		(22,079)
Other-than-temporary impairment losses recognized in net income	0	(197)	0	(200)
Equity Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale securities, estimated fair value	123,617		123,617		102,281
Available-for-sale securities, gross unrealized holding and other-than-temporary impairment losses	$ (14,779)		$ (14,779)		(7,365)
Number of available-for-sale securities positions in a continuous unrealized loss position for one year or longer at period end | securities	4		4
Available-for-sale securities, estimated fair value, 12 months or longer	$ 26,148		$ 26,148		0
Available-for-sale securities, gross unrealized holding and other-than-temporary impairment losses, 12 months or longer	(2,560)		(2,560)		$ 0
Other-than-temporary impairment losses recognized in net income	$ 0	$ (810)	$ (5,092)	$ (800)

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Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer.

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