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Note 10: Short-Term Borrowings: Schedule of Repurchase Agreements (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Securities sold under reverse repurchase agreements with customers $ 84,167 $ 105,253
Financial Assets Sold under Agreement to Repurchase | Maturity Overnight | Mortgage Backed Securities, Other    
Securities sold under reverse repurchase agreements with customers $ 84,167 $ 105,253