Note 5. Carrying value of partnership interest (Details 1) - Consolidated - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Carrying value of investment partnerships	$ 471,689	$ 697,982
Deferred tax liability related to investment partnerships	(115,952)	(141,836)
Carrying value of investment partnerships net of deferred taxes	$ 355,737	$ 556,146