SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Principles of Consolidation, Loans Held For Sale, Loans and Leases) (Details)	12 Months Ended
Dec. 31, 2017 USD ($) loan	Dec. 31, 2016 USD ($)
Consolidation
Investments in unconsolidated subsidiaries accounted for under the equity methods	$ 600,000	$ 700,000
Investments in unconsolidated subsidiaries accounted for under the cost methods	$ 6,500,000	$ 6,200,000
Loans Held for Sale
Number of types of loans held for sale \| loan	2
Loans
Holding period limit for placing loans on nonaccrual status	90 days
Interest income recognized	$ 0
One Hawaii HomeLoans, LLC
Consolidation
Ownership interest		50.00%
Pacific Access Mortgage LLC
Consolidation
Ownership interest	50.00%
Gentry Home Loans LLC
Consolidation
Ownership interest	50.00%
Haseko Home Loans LLC
Consolidation
Ownership interest	50.00%
Island Pacific HomeLoans, LLC
Consolidation
Ownership interest	50.00%

Represents the amount of interest income recognized on financing receivables on nonaccrual method.

No definition available.

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- Definition

Represents the period of time after which the loans are placed on nonaccrual status.

+ References

No definition available.

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- Definition

Represents the number of types of loans held for sale.

+ References

No definition available.

+ Details

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- Definition

Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 325
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=75025870&loc=d3e40691-111596

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 325
-SubTopic 20
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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66022249&loc=d3e33749-111570

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- References

No definition available.

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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.

+ References

No definition available.

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