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FAIR VALUE MEASUREMENTS: Fair Value Measurements, Nonrecurring, Valuation Techniques (Details 3)		12 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Impaired loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements, Valuation Techniques		Appraised value	Appraised value
Significant unobservable inputs		Adjustment for market conditions	Adjustment for market conditions
Market adjustment to appraisals	[1]	0.00%	0.00%
Real estate owned ("REO")
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements, Valuation Techniques		Appraised value	Appraised value
Significant unobservable inputs		Adjustment for market conditions	Adjustment for market conditions
Market adjustment to appraisals	[1]	0.00%	0.00%
[1] There were no adjustments to appraised values of impaired loans for the year ended March 31, 2017. There were no adjustments to appraised values of impaired loans or REO for the year ended March 31, 2016.

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Minimum or maximum values of the market adjustment to appraisals.

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- Definition

Description of significant assumptions used by management to measure fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611

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Description of the inputs and valuation technique(s) used to measure fair value.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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