Note 5. Investment Partnerships (Details 2) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Note 5.Investment Partnerships Details 2Abstract
Gains (losses) on investment partnership	$ 34,198	$ (8,341)	$ 68,352	$ (4,846)
Tax expense (benefit)	7,944	(2,464)	15,861	(2,044)
Net earnings (loss)	$ 26,254	$ (5,877)	$ 52,491	$ (2,802)

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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