Note 10: Deposits: Schedule of Deposit Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
Deposits	$ 3,259,438		$ 2,990,840
Non-Interest Bearing Demand Deposits
Deposits	549,587		518,266
Interest Bearing Demand And Savings Deposits
Deposits	1,474,524	[1]	1,375,100	[1]
Total Deposits
Deposits	3,259,438		2,990,840
Bank Time Deposits | 0.00% - 0.99%
Deposits	883,044		798,932
Bank Time Deposits | 1.00% - 1.99%
Deposits	287,645		227,476
Bank Time Deposits | 2.00% - 2.99%
Deposits	56,844		61,146
Bank Time Deposits | 3.00% - 3.99%
Deposits	5,987		8,065
Bank Time Deposits | 4.00% - 4.99%
Deposits	1,427		1,435
Bank Time Deposits | 5% and above
Deposits	380		420
Bank Time Deposits | Total Time Deposits
Deposits	$ 1,235,327	[2]	$ 1,097,474	[2]

[1] (0.20% - 0.19%)

[2] (0.81% - 0.78%)