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DERIVATIVES (Details) $ / shares in Thousands, $ in Thousands	Dec. 31, 2017 USD ($) $ / shares	Dec. 31, 2016 USD ($)
Designated as Hedging Instrument [Member]
DERIVATIVES
Derivative, Number of Instruments Held | $ / shares	0
Interest rate options
DERIVATIVES
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability	$ 2,494	$ 879
Interest rate options | Interest rate lock commitments | Derivative instruments not designated as hedging instruments.
DERIVATIVES
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability		879
Interest Rate Forwards [Member]
DERIVATIVES
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability	$ 18,748	32,497
Interest Rate Forwards [Member] | Forward sale commitments | Derivative instruments not designated as hedging instruments.
DERIVATIVES
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability		$ 32,497

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The number of derivative instruments of a particular group held by the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5580258-113959

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-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5579245-113959

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- Definition

The fair value of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611

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