FAIR VALUE MEASUREMENTS - NONRECURRING BASIS (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2017	Sep. 30, 2017	Dec. 31, 2016
Fair value
Other real estate owned	$ 4,413	$ 4,413	$ 4,782
Impaired loans
Fair value
Impaired loans	361	361
Other real estate owned
Fair value
Other real estate owned	298	298
Nonrecurring
Fair value
Total Losses	252	659	845
Nonrecurring \| Impaired loans
Fair value
Impaired loans	6,589	6,589	9,856
Total Losses	209		643
Nonrecurring \| Other real estate owned
Fair value
Other real estate owned	4,413	4,413	4,782
Total Losses	43		202
Nonrecurring \| Significant Unobservable Inputs (Level 3) \| Impaired loans
Fair value
Impaired loans	6,589	6,589	9,856
Nonrecurring \| Significant Unobservable Inputs (Level 3) \| Other real estate owned
Fair value
Other real estate owned	$ 4,413	$ 4,413	$ 4,782

Amount of addition (reduction) to the amount at which an asset could be incurred (settled) in a current transaction between willing parties.

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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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- Definition

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953550-111524

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- Definition

Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10(4))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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