Note 4. Investment Securities: Investments Classified by Contractual Maturity Date (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Details
Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Amortized Cost Basis	$ 23,979
Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Fair Value	23,519
Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Amortized Cost Basis	180,141
Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Fair Value	180,071
Available-for-sale Securities, Debt Maturities, Rolling Year Six Through Ten, Amortized Cost Basis	126,709
Available-for-sale Securities, Debt Maturities, Rolling Year Six Through Ten, Fair Value	128,460
Available-for-sale Securities, Debt Maturities, Rolling after Year Ten, Amortized Cost Basis	176,959
Available-for-sale Securities, Debt Maturities, Rolling after Year Ten, Fair Value	174,997
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis	13,732
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value	13,591
Available For Sale Debt Securities Amortized Cost Basis	521,520	$ 433,892
Fixed maturities, available-for-sale	$ 520,638	$ 428,601