Note 13. Other Comprehensive Income (loss): Schedule of Accumulated Other Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Accumulated other comprehensive income (loss)	$ 13,627	$ 8,270	$ 15,013	$ 7,853
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(9,979)	5,232	(8,517)	6,168
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(7,572)	(926)	(10,547)	(1,479)
Other comprehensive income (loss), net of tax	(17,551)	4,306	(19,064)	4,689
Other comprehensive (income) loss, net of tax, attributable to noncontrolling interests	465	(126)	556	(93)
Accumulated other comprehensive income (loss)	(3,459)	12,452	(3,459)	12,452
Unrealized Gains/Losses Purchased from Noncontrolling Interests		2	36	3
Accumulated Net Unrealized Investment Gain (Loss)
Accumulated other comprehensive income (loss)	13,831	8,589	15,231	8,150
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(9,992)	5,215	(8,544)	6,173
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(7,572)	(926)	(10,547)	(1,479)
Other comprehensive income (loss), net of tax	(17,564)	4,289	(19,091)	4,694
Other comprehensive (income) loss, net of tax, attributable to noncontrolling interests	465	(126)	556	(93)
Accumulated other comprehensive income (loss)	(3,268)	12,754	(3,268)	12,754
Unrealized Gains/Losses Purchased from Noncontrolling Interests		2	36	3
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges
Accumulated other comprehensive income (loss)	(204)	(319)	(218)	(297)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	13	17	27	(5)
Other comprehensive income (loss), net of tax	13	17	27	(5)
Accumulated other comprehensive income (loss)	$ (191)	$ (302)	$ (191)	$ (302)