Note 5: Accounting For Certain Loans Acquired in A Transfer: Schedule of Acquired Loans in Transfer Accretable Yield (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Details
Balance at beginning of period	$ 187	$ 371	$ 220	$ 589
Certain Loans Acquired In Transfer Accretable Yield Additions	0	0	0	102
Certain Loans Acquired In Transfer Accretable Yield Accretion	(47)	(114)	(210)	(1,203)
Certain Loans Acquired In Transfer Accretable Yield Reclassification from Nonaccretable Difference	72	55	202	1,028
Certain Loans Acquired In Transfer Accretable Yield Disposals	0	0	0	(204)
Balance at end of period	$ 212	$ 312	$ 212	$ 312