Summary of Investments - SOI OTTI table (Details 7) - Fixed maturities - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]
Beginning balance	$ 102,343	$ 119,532
Initial impairments - credit loss on securities not previously impaired	0	450
Reductions due to increases in cash flows expected to be collected that are recognized over the remaining life of the security	(3,927)	(4,329)
Ending balance	$ 98,416	$ 115,653