Summary of Investments - SOI OTTI table (Details 7) - Fixed maturities - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]
Beginning balance	$ 115,653	$ 167,961	$ 119,532	$ 167,961
Initial impairments - credit loss on securities not previously impaired	0	0	450	0
Reductions due to increases in cash flows expected to be collected that are recognized over the remaining life of the security	(8,740)	0	(13,069)	0
Ending balance	$ 106,913	$ 167,961	$ 106,913	$ 167,961