Note 6. Fair Value Disclosures: Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Fixed maturities, available-for-sale	$ 546,707	$ 719,602
Equity securities, available-for-sale	5,605	15,598
Trading securities	6,394	7,016
Assets, Fair Value Disclosure	558,706	742,216
Interest Rate Swap
Derivative Liability, Fair Value, Gross Liability	221	363
Domestic Corporate Debt Securities
Fixed maturities, available-for-sale	211,661	353,823
Residential Mortgage Backed Securities Member
Fixed maturities, available-for-sale	4,052	20,094
Commercial Mortgage Backed Securities
Fixed maturities, available-for-sale	572	570
US Treasury Securities
Fixed maturities, available-for-sale	19,559	18,866
US Government Agencies Debt Securities
Fixed maturities, available-for-sale	105	428
US Government-sponsored Enterprises Debt Securities
Fixed maturities, available-for-sale	31,405	49,606
US States and Political Subdivisions Debt Securities
Fixed maturities, available-for-sale	246,748	268,225
Foreign Government Debt
Fixed maturities, available-for-sale	28,788
Redeemable Preferred Stock
Fixed maturities, available-for-sale	3,817	7,990
Nonredeemable Preferred Stock
Equity securities, available-for-sale	5,605	15,598
Equity Securities
Trading Securities, Equity	6,394	7,016
Fair Value, Inputs, Level 1
Fixed maturities, available-for-sale	3,817	7,990
Equity securities, available-for-sale	5,605	15,598
Trading securities	6,394	7,016
Assets, Fair Value Disclosure	15,816	30,604
Fair Value, Inputs, Level 1 | Redeemable Preferred Stock
Fixed maturities, available-for-sale	3,817	7,990
Fair Value, Inputs, Level 1 | Nonredeemable Preferred Stock
Equity securities, available-for-sale	5,605	15,598
Fair Value, Inputs, Level 1 | Equity Securities
Trading Securities, Equity	6,394	7,016
Fair Value, Inputs, Level 2
Fixed maturities, available-for-sale	538,296	694,431
Assets, Fair Value Disclosure	538,296	694,431
Fair Value, Inputs, Level 2 | Interest Rate Swap
Derivative Liability, Fair Value, Gross Liability	221	363
Fair Value, Inputs, Level 2 | Domestic Corporate Debt Securities
Fixed maturities, available-for-sale	211,661	353,823
Fair Value, Inputs, Level 2 | Residential Mortgage Backed Securities Member
Fixed maturities, available-for-sale	2,503	6,041
Fair Value, Inputs, Level 2 | US Treasury Securities
Fixed maturities, available-for-sale	19,559	18,866
Fair Value, Inputs, Level 2 | US Government Agencies Debt Securities
Fixed maturities, available-for-sale	105	428
Fair Value, Inputs, Level 2 | US Government-sponsored Enterprises Debt Securities
Fixed maturities, available-for-sale	31,405	49,606
Fair Value, Inputs, Level 2 | US States and Political Subdivisions Debt Securities
Fixed maturities, available-for-sale	244,275	265,667
Fair Value, Inputs, Level 2 | Foreign Government Debt
Fixed maturities, available-for-sale	28,788
Fair Value, Inputs, Level 3
Fixed maturities, available-for-sale	4,594	17,181
Assets, Fair Value Disclosure	4,594	17,181
Fair Value, Inputs, Level 3 | Residential Mortgage Backed Securities Member
Fixed maturities, available-for-sale	1,549	14,053
Fair Value, Inputs, Level 3 | Commercial Mortgage Backed Securities
Fixed maturities, available-for-sale	572	570
Fair Value, Inputs, Level 3 | US States and Political Subdivisions Debt Securities
Fixed maturities, available-for-sale	$ 2,473	$ 2,558