FAIR VALUE MEASUREMENT, Key Methods and Assumptions Used (Details)	9 Months Ended	12 Months Ended
Sep. 30, 2016	Dec. 31, 2015
Impaired Loans [Member] \| Collateral, Market, Income, Enterprise, Liquidation and Discounted Cash Flows [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assumption inputs	External appraised values, management assumptions regarding market trends or other relevant factors; selling costs ranging 6% to 7%.	External appraised values, management assumptions regarding market trends or other relevant factors; selling costs ranging 6% to 7%.
Impaired Loans [Member] \| Collateral, Market, Income, Enterprise, Liquidation and Discounted Cash Flows [Member] \| Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Selling costs	6.00%	6.00%
Impaired Loans [Member] \| Collateral, Market, Income, Enterprise, Liquidation and Discounted Cash Flows [Member] \| Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Selling costs	7.00%	7.00%
Loan Servicing Rights [Member] \| Discounted Cash Flows [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assumption inputs	Present value of expected future cash flows was estimated using a discount rate factor of 10.03% as of September 30, 2016 and December 31, 2015. A constant prepayment rate of 15.94% and 10.94% as of September 30, 2016 and December 31, 2015, respectively, was utilized.	Present value of expected future cash flows was estimated using a discount rate factor of 10.03% as of September 30, 2016 and December 31, 2015. A constant prepayment rate of 15.94% and 10.94% as of September 30, 2016 and December 31, 2015, respectively, was utilized.
Discount rate	10.03%	10.03%
Constant prepayment rate	15.94%	10.94%

Sales expense anticipated and utilized as a fair value input by entity to assess fair value of an asset.

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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.

+ References

No definition available.

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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ 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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Rate at which loans or a loan portfolio are expected to prepay principal balances, used as an input to measure fair value.

+ References

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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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