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Note 14: Disclosures About Fair Value of Financial Instruments: Fair Value Deposits and Accrued Interest Payable Policy (Policies)
3 Months Ended
Sep. 30, 2018
Policies  
Fair Value Deposits and Accrued Interest Payable Policy

Deposits and Accrued Interest Payable.  The fair value of demand deposits and savings accounts is the amount payable on demand at the reporting date, i.e., their carrying amounts.  For September 30, 2018, the fair value of fixed maturity certificates of deposit is estimated using a discounted cash flow calculation using the average advances yield curve from 11 districts of the FHLB for the as of date.  For December 31, 2017, the discounted cash flow calculation applied the rates currently offered for deposits of similar remaining maturities.  The carrying amount of accrued interest payable approximates its fair value.