Note 3. Investment Securities: Investments Classified by Contractual Maturity Date (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Details
Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Amortized Cost Basis	$ 28,453
Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Fair Value	28,451
Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Amortized Cost Basis	43,264
Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Fair Value	43,147
Available-for-sale Securities, Debt Maturities, Rolling Year Six Through Ten, Amortized Cost Basis	199,697
Available-for-sale Securities, Debt Maturities, Rolling Year Six Through Ten, Fair Value	196,073
Available-for-sale Securities, Debt Maturities, Rolling after Year Ten, Amortized Cost Basis	249,093
Available-for-sale Securities, Debt Maturities, Rolling after Year Ten, Fair Value	245,682
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis	22,508
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value	21,741
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis	543,015
Fixed maturities, available-for-sale	$ 535,094	$ 542,287