FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 5) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Non-PCI Loans
Quantitative information
Impaired loans	$ 70,154	$ 70,462
OREO
Quantitative information
OREO	345	4,929
Significant Unobservable Inputs (Level 3) \| Non-PCI Loans
Quantitative information
Impaired loans	70,154	70,462
Significant Unobservable Inputs (Level 3) \| Non-PCI Loans \| Discounted cash flow
Quantitative information
Impaired loans	31,835	27,522
Significant Unobservable Inputs (Level 3) \| Non-PCI Loans \| Market comparables
Quantitative information
Impaired loans	38,319	42,940
Significant Unobservable Inputs (Level 3) \| OREO
Quantitative information
OREO	345	4,929
Significant Unobservable Inputs (Level 3) \| OREO \| Appraisal
Quantitative information
OREO	$ 345	$ 4,929
Selling cost (as a percent)	8.00%	8.00%
Significant Unobservable Inputs (Level 3) \| OREO \| Appraisal \| Weighted Average
Quantitative information
Selling cost (as a percent)	8.00%	8.00%
Significant Unobservable Inputs (Level 3) \| Loans Receivable \| Non-PCI Loans \| Discounted cash flow \| Minimum
Quantitative information
Discount (as a percent)	0.00%	0.00%
Significant Unobservable Inputs (Level 3) \| Loans Receivable \| Non-PCI Loans \| Discounted cash flow \| Maximum
Quantitative information
Discount (as a percent)	62.00%	87.00%
Significant Unobservable Inputs (Level 3) \| Loans Receivable \| Non-PCI Loans \| Discounted cash flow \| Weighted Average
Quantitative information
Discount (as a percent)	7.00%	30.00%
Significant Unobservable Inputs (Level 3) \| Loans Receivable \| Non-PCI Loans \| Market comparables \| Minimum
Quantitative information
Discount (as a percent)	0.00%	0.00%
Significant Unobservable Inputs (Level 3) \| Loans Receivable \| Non-PCI Loans \| Market comparables \| Maximum
Quantitative information
Discount (as a percent)	100.00%	100.00%
Significant Unobservable Inputs (Level 3) \| Loans Receivable \| Non-PCI Loans \| Market comparables \| Weighted Average
Quantitative information
Discount (as a percent)	18.00%	17.00%

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- Definition

Impaired Loans, Fair Value Disclosure

+ References

No definition available.

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ 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 (a)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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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

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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=36462937&loc=d3e19207-110258

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