Note 18. Schedule Of Fair Value Assets And Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Assets
Cash equivalents	$ 700	$ 11,227
Equity Securities
Insurance	5,046	5,781
Bonds	21,304	7,644
Non-qualified Deferred Compensation Plan Investments	2,203	1,958
Total assets at fair value	29,253	26,610
Liabilities
Interest rate swaps	2	175
Total liabilities at fair value	2	175
Level 1
Assets
Cash equivalents	700	11,227
Equity Securities
Insurance	5,046	5,781
Bonds	0	0
Non-qualified Deferred Compensation Plan Investments	2,203	1,958
Total assets at fair value	7,949	18,966
Liabilities
Interest rate swaps	0	0
Total liabilities at fair value	0	0
Level 2
Assets
Cash equivalents	0	0
Equity Securities
Insurance	0	0
Bonds	21,304	7,644
Non-qualified Deferred Compensation Plan Investments	0	0
Total assets at fair value	21,304	7,644
Liabilities
Interest rate swaps	2	175
Total liabilities at fair value	2	175
Level 3
Assets
Cash equivalents	0	0
Equity Securities
Insurance	0	0
Bonds	0	0
Non-qualified Deferred Compensation Plan Investments	0	0
Total assets at fair value	0	0
Liabilities
Interest rate swaps	0	0
Total liabilities at fair value	$ 0	$ 0