Note 6. Fair Value Disclosures: Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Fixed maturities, available-for-sale	$ 573,527	$ 719,602
Equity securities, available-for-sale	5,594	15,598
Trading securities	7,997	7,016
Assets, Fair Value Disclosure	587,118	742,216
Interest Rate Swap
Derivative Liability, Fair Value, Gross Liability	318	363
Domestic Corporate Debt Securities
Fixed maturities, available-for-sale	222,396	353,823
Residential Mortgage Backed Securities Member
Fixed maturities, available-for-sale	4,871	20,094
Commercial Mortgage Backed Securities
Fixed maturities, available-for-sale	571	570
US Treasury Securities
Fixed maturities, available-for-sale	30,459	18,866
US Government Agencies Debt Securities
Fixed maturities, available-for-sale	118	428
US Government-sponsored Enterprises Debt Securities
Fixed maturities, available-for-sale	31,971	49,606
US States and Political Subdivisions Debt Securities
Fixed maturities, available-for-sale	247,531	268,225
Foreign Government Debt
Fixed maturities, available-for-sale	31,612
Redeemable Preferred Stock
Fixed maturities, available-for-sale	3,998	7,990
Nonredeemable Preferred Stock
Equity securities, available-for-sale	5,594	15,598
Equity Securities
Trading Securities, Equity	7,997	7,016
Fair Value, Inputs, Level 1
Fixed maturities, available-for-sale	3,998	7,990
Equity securities, available-for-sale	5,594	15,598
Trading securities	7,997	7,016
Assets, Fair Value Disclosure	17,589	30,604
Fair Value, Inputs, Level 1 | Redeemable Preferred Stock
Fixed maturities, available-for-sale	3,998	7,990
Fair Value, Inputs, Level 1 | Nonredeemable Preferred Stock
Equity securities, available-for-sale	5,594	15,598
Fair Value, Inputs, Level 1 | Equity Securities
Trading Securities, Equity	7,997	7,016
Fair Value, Inputs, Level 2
Fixed maturities, available-for-sale	562,087	694,431
Assets, Fair Value Disclosure	562,087	694,431
Fair Value, Inputs, Level 2 | Interest Rate Swap
Derivative Liability, Fair Value, Gross Liability	318	363
Fair Value, Inputs, Level 2 | Domestic Corporate Debt Securities
Fixed maturities, available-for-sale	222,396	353,823
Fair Value, Inputs, Level 2 | Residential Mortgage Backed Securities Member
Fixed maturities, available-for-sale	501	6,041
Fair Value, Inputs, Level 2 | US Treasury Securities
Fixed maturities, available-for-sale	30,459	18,866
Fair Value, Inputs, Level 2 | US Government Agencies Debt Securities
Fixed maturities, available-for-sale	118	428
Fair Value, Inputs, Level 2 | US Government-sponsored Enterprises Debt Securities
Fixed maturities, available-for-sale	31,971	49,606
Fair Value, Inputs, Level 2 | US States and Political Subdivisions Debt Securities
Fixed maturities, available-for-sale	245,030	265,667
Fair Value, Inputs, Level 2 | Foreign Government Debt
Fixed maturities, available-for-sale	31,612
Fair Value, Inputs, Level 3
Fixed maturities, available-for-sale	7,442	17,181
Assets, Fair Value Disclosure	7,442	17,181
Fair Value, Inputs, Level 3 | Residential Mortgage Backed Securities Member
Fixed maturities, available-for-sale	4,370	14,053
Fair Value, Inputs, Level 3 | Commercial Mortgage Backed Securities
Fixed maturities, available-for-sale	571	570
Fair Value, Inputs, Level 3 | US States and Political Subdivisions Debt Securities
Fixed maturities, available-for-sale	$ 2,501	$ 2,558