Note 11. Stockholders' Equity: Schedule of Accumulated Other Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Accumulated other comprehensive income (loss)	$ (10,472)	$ 15,013	$ 7,853	$ 633
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(14,265)	10,559	12,369
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	11,826	3,284	4,926
Other comprehensive income (loss), net of tax	(26,091)	7,275	7,443
Other comprehensive (income) loss, net of tax, attributable to noncontrolling interests	665	(118)	(343)
Unrealized Gains/Losses Purchased from Noncontrolling Interests	(59)	3	120
Accumulated Net Unrealized Investment Gain (Loss)
Accumulated other comprehensive income (loss)	(10,350)	15,231	8,150	633
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(14,361)	10,480	12,666
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	11,826	3,284	4,926
Other comprehensive income (loss), net of tax	(26,187)	7,196	7,740
Other comprehensive (income) loss, net of tax, attributable to noncontrolling interests	665	(118)	(343)
Unrealized Gains/Losses Purchased from Noncontrolling Interests	(59)	3	120
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges
Accumulated other comprehensive income (loss)	(122)	(218)	(297)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	96	79	(297)
Other comprehensive income (loss), net of tax	$ 96	$ 79	$ (297)