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Note 9: Premises and Equipment: Lessee, Operating Lease, Disclosure: Lease Expense Related to ATMs (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Details        
Lease expense related to ATMs $ 76 $ 71 $ 202 $ 221