Note 14. Other Comprehensive Income (loss): Schedule of Accumulated Other Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Accumulated other comprehensive income (loss)	$ (3,459)	$ 12,452	$ 15,013	$ 7,853
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(1,306)	5,093	(9,823)	11,261
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(1,151)	(775)	(11,698)	(2,254)
Other comprehensive income (loss), net of tax	(2,457)	4,318	(21,521)	9,007
Other comprehensive (income) loss, net of tax, attributable to noncontrolling interests	(6)	(137)	550	(230)
Accumulated other comprehensive income (loss)	(5,922)	16,633	(5,922)	16,633
Unrealized Gains/Losses Purchased from Noncontrolling Interests			36	3
Accumulated Net Unrealized Investment Gain (Loss)
Accumulated other comprehensive income (loss)	(3,268)	12,754	15,231	8,150
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(1,364)	5,017	(9,908)	11,190
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(1,151)	(775)	(11,698)	(2,254)
Other comprehensive income (loss), net of tax	(2,515)	4,242	(21,606)	8,936
Other comprehensive (income) loss, net of tax, attributable to noncontrolling interests	(6)	(137)	550	(230)
Accumulated other comprehensive income (loss)	(5,789)	16,859	(5,789)	16,859
Unrealized Gains/Losses Purchased from Noncontrolling Interests			36	3
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges
Accumulated other comprehensive income (loss)	(191)	(302)	(218)	(297)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	58	76	85	71
Other comprehensive income (loss), net of tax	58	76	85	71
Accumulated other comprehensive income (loss)	$ (133)	$ (226)	$ (133)	$ (226)