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Note 5: Investment Securities: Other Than Temporary Impairment Credit Losses Recognized in Earnings (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Details        
Reclassifications out of accumulated other comprehensive income $ 91 $ 1 $ 1,835 $ 1