Note 8. Accumulated Other Comprehensive Income (loss): Schedule of Accumulated Other Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Accumulated other comprehensive income (loss)	$ (10,472)	$ 15,013
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	6,628	1,462
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	979	2,975
Other comprehensive income (loss), net of tax	5,649	(1,513)
Other comprehensive (income) loss, net of tax, attributable to noncontrolling interests	(131)	91
Accumulated other comprehensive income (loss)	(4,954)	13,627
Unrealized Gains/Losses Purchased from Noncontrolling Interests		36
Accumulated Net Unrealized Investment Gain (Loss)
Accumulated other comprehensive income (loss)	(10,350)	15,231
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	6,618	1,448
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	979	2,975
Other comprehensive income (loss), net of tax	5,639	(1,527)
Other comprehensive (income) loss, net of tax, attributable to noncontrolling interests	(131)	91
Accumulated other comprehensive income (loss)	(4,842)	13,831
Unrealized Gains/Losses Purchased from Noncontrolling Interests		36
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges
Accumulated other comprehensive income (loss)	(122)	(218)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	10	14
Other comprehensive income (loss), net of tax	10	14
Accumulated other comprehensive income (loss)	$ (112)	$ (204)