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FAIR VALUE MEASUREMENTS - Unobservable Inputs Recurring (Details)	9 Months Ended
	Sep. 30, 2017 USD ($)
Quantitative information about the significant unobservable inputs within Level 3
Derivative asset (liability), fair value	$ 636,000
Level 3 | Recurring
Quantitative information about the significant unobservable inputs within Level 3
Total	(157,000)
Level 3 | Recurring | Interest Rate Lock Commitment
Quantitative information about the significant unobservable inputs within Level 3
Derivative asset (liability), fair value	$ 16,000
Level 3 | Recurring | Interest Rate Lock Commitment | Pricing Model
Quantitative information about the significant unobservable inputs within Level 3
Closing Ratio	90.00%
Origination Costs, per loan	$ 1,700
Level 3 | Recurring | Forward Commitments
Quantitative information about the significant unobservable inputs within Level 3
Derivative asset (liability), fair value	$ (173,000)

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- Definition

Fair Value Inputs, Origination Cost Per Loan

+ References

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- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

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- Definition

Fair value of asset after deduction of liability.

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