Investments - Schedule of Unrealized Losses for Fixed Maturities and Equity Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Unrealized Losses
Less than 20%	$ (8,016)	$ (10,069)
20% or more for less than six months	(2,825)	(482)
20% or more for six months or greater	(1,000)	(4,032)
Total	$ (11,841)	$ (14,583)
% of Total
Less than 20%	67.70%	69.00%
20% or more for less than six months	23.90%	3.30%
20% or more for six months or greater	8.40%	27.70%
Total	100.00%	100.00%