FAIR VALUE - Qualitative Information Regarding Fair Value Measurements for Level 3 Financial Instruments (Detail)	3 Months Ended
Sep. 30, 2017
Loans [Member]
Fair Value Option Quantitative Disclosures [Line Items]
Method	Income, Market, Comparable Sales, Discounted Cash Flows
Valuation technique	External appraised values; probability weighting of broker price opinions; management assumptions regarding market trends or other relevant factors
Other Real Estate Owned [Member]
Fair Value Option Quantitative Disclosures [Line Items]
Method	Income, Market, Comparable Sales, Discounted Cash Flows
Valuation technique	External appraised values; probability weighting of broker price opinions; management assumptions regarding market trends or other relevant factors
Mortgage Servicing Rights [Member]
Fair Value Option Quantitative Disclosures [Line Items]
Method	Discounted Cash Flow
Valuation technique	Weighted average prepayment rate of 6.41%; weighted average discount rate of 11.22%

Description of the valuation processes in place for fair value measurements categorized within Level 3 of the fair value hierarchy.

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

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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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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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No definition available.

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