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Note 4. Investment Securities: Investment Income (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Gross Investment Income, Operating $ 16,651 $ 17,341 $ 21,693
Investment Income, Investment Expense 81 104 79
Net investment income 16,570 17,237 21,614
Fixed Maturities      
Gross Investment Income, Operating 14,960 15,364 18,504
Equity Securities      
Gross Investment Income, Operating 676 845 943
Cash and Cash Equivalents      
Gross Investment Income, Operating 1,088 66 74
Partnership Interest      
Gross Investment Income, Operating 62 405 1,101
Other Long-term Investments      
Gross Investment Income, Operating $ (135) $ 661 $ 1,071