Note 28: FDIC-assisted Acquisition: Schedule of Fair Value of Assets and Liabilities Acquired From InterBank (Details) (USD $) In Thousands, unless otherwise specified	Apr. 27, 2012
Cash Acquired from InterBank Acquisition	$ 493
Due from banks acquired from acquisition	74,834
Cash and cash equivalents acquired from acquisition	75,327
Investment securities acquired from acquisition	34,914
Loans receivable, net acquired from acquisition	285,458
Foreclosed real estate acquired from acquisition	6,216
FDIC Indemnification Asset Acquired from Acquisition	83,989
Federal home Loan Bank of Des Moines stock acquired from acquisition	585
Accrued interest receivable acquired from acquisition	1,672
Finite-Lived Core Deposits, Gross	1,017
Other assets acquired from acquisition	873
Total assets acquired from acquisition	490,051
Liabilities
Demand and savings deposits assumed from acquisition	97,838
Time deposits assumed from acquisition	358,414
Total deposits assumed from acquisition	456,252
Accounts payable assumed from acquisition	2,272
Accrued interest payable assumed from acquisition	197
Other liabilities assumed from acquisition	18
Total liabilities assumed from acquisition	458,739
Gain recognized on business acquisition	$ 31,312