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FAIR VALUE MEASUREMENTS: Fair Value Measurements, Nonrecurring, Valuation Techniques (Details 2) - Impairment loans		3 Months Ended	12 Months Ended
		Jun. 30, 2017	Mar. 31, 2017
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]
[1] There were no adjustments to appraised values of impaired loans as of June 30, 2017 and March 31, 2017, respectively.

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Minimum or maximum values of the market adjustment to appraisals.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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=77997519&loc=d3e13433-108611

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

+ References

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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