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Investments (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Investment income (expense) comprised primarily of interest and dividends    
Total investment income $ 208 $ 248
Less investment expenses (196) (284)
Net investment (expense) income 12 (36)
Cash and cash equivalents [Member]
   
Investment income (expense) comprised primarily of interest and dividends    
Total investment income 120 179
Fixed maturities [Member]
   
Investment income (expense) comprised primarily of interest and dividends    
Total investment income   13
Equity securities [Member]
   
Investment income (expense) comprised primarily of interest and dividends    
Total investment income $ 88 $ 56