Note10. Accumulated Other Comprehensive Income (loss): Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Accumulated other comprehensive income (loss)	$ 901	$ (4,954)	$ 22	$ (10,472)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(2,783)	6,158	(89)	12,786
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	1,368	2,641	3,145	3,620
Other comprehensive income (loss), net of tax	(4,151)	3,517	(3,234)	9,166
Other comprehensive (income) loss, net of tax, attributable to noncontrolling interests	33	(82)	(10)	(213)
Accumulated other comprehensive income (loss)	(3,217)	(1,519)	(3,217)	(1,519)
Unrealized Gains/Losses Purchased from Noncontrolling Interests			5
Accumulated Net Unrealized Investment Gain (Loss)
Accumulated other comprehensive income (loss)	942	(4,842)	72	(10,350)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(2,791)	6,145	(106)	12,763
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	1,368	2,641	3,145	3,620
Other comprehensive income (loss), net of tax	(4,159)	3,504	(3,251)	9,143
Other comprehensive (income) loss, net of tax, attributable to noncontrolling interests	33	(82)	(10)	(213)
Accumulated other comprehensive income (loss)	(3,184)	(1,420)	(3,184)	(1,420)
Unrealized Gains/Losses Purchased from Noncontrolling Interests			5
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges
Accumulated other comprehensive income (loss)	(41)	(112)	(50)	(122)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	8	13	17	23
Other comprehensive income (loss), net of tax	8	13	17	23
Accumulated other comprehensive income (loss)	$ (33)	$ (99)	$ (33)	$ (99)