Note 3: Securities: Contractual Obligation, Fiscal Year Maturity Schedule (Details)	Mar. 31, 2019 USD ($)
Details
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost	$ 4,545
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value	4,526
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost	12,153
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value	12,140
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost	18,862
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value	18,995
Debt Securities, Available-for-sale, Allocated and Single Maturity Date, Maturity, after 10 Years, Amortized Cost	17,128
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value	17,119
Debt and equity securities amortized cost	52,688
Debt and equity securities fair value	52,780
Mortgage-backed securities GSE residential amortized cost	109,513
Mortgage-backed securities GSE residential fair value	108,730
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Amortized Cost	162,201
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value	$ 161,510

Represents the monetary amount of Debt and equity securities amortized cost, as of the indicated date.

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth fiscal year through tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

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