Note 4. Investment Securities: Investments Classified by Contractual Maturity Date (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Details
Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Amortized Cost Basis	$ 8,852
Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Fair Value	8,981
Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Amortized Cost Basis	133,512
Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Fair Value	136,684
Available-for-sale Securities, Debt Maturities, Rolling Year Six Through Ten, Amortized Cost Basis	278,209
Available-for-sale Securities, Debt Maturities, Rolling Year Six Through Ten, Fair Value	285,781
Available-for-sale Securities, Debt Maturities, Rolling after Year Ten, Amortized Cost Basis	273,027
Available-for-sale Securities, Debt Maturities, Rolling after Year Ten, Fair Value	281,465
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis	46,425
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value	52,350
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis	740,025
Fixed maturities, available-for-sale	$ 765,261	$ 719,602

Amount of available-for-sale debt securities at cost, net of adjustments, which include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments.

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