Investments Net investment income (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]    
Interest from fixed maturities $ 907 $ 1,084
Dividends 702 203
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions 1,596 184
Other 186 372
Gross investment income 3,175 1,843
Investment expenses 257 227
Net investment income 2,918 1,616
Warrant [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Loss on change in fair value of warrants $ (216) $ 0