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Note 5. Investment Partnerships (Details 2) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Note 5. Investment Partnerships Details 2    
Investment partnership gains (loss) $ (24,968) $ 78,973
Tax expense (benefit) (9,761) 28,585
Contributions to net earnings (loss) $ (15,207) $ 50,388