Note 2: Investments in Debt and Equity Securities: Schedule of Held-to-maturity Securities (Details) (US States and Political Subdivisions Debt Securities, USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
US States and Political Subdivisions Debt Securities
Held to maturity securities amortized cost	$ 920	$ 1,865
Held to maturity securities gross unrealized gains	164	236
Held-to-maturity Securities, Fair Value	$ 1,084	$ 2,101