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Note 9: Advances From Federal Home Loan Bank: Pledged as Collateral (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged $ 1,120,000 $ 1,210,000
Federal Home Loan Bank of Des Moines    
Long-term Line of Credit $ 551,000