LOANS (Troubled debt restructuring) (Details) $ in Thousands	3 Months Ended
Mar. 31, 2019 USD ($) loan	Mar. 31, 2018 USD ($) loan
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	1	5
Pre- Modification Recorded Investment	$ 36	$ 877
Post- Modification Recorded Investment	$ 42	$ 752
With Payment Defaults During the
Number of Loans \| loan	1	3
Recorded Investment	$ 42	$ 519
Commercial
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	0	0
Pre- Modification Recorded Investment	$ 0	$ 0
Post- Modification Recorded Investment	$ 0	$ 0
With Payment Defaults During the
Number of Loans \| loan	0	0
Recorded Investment	$ 0	$ 0
Commercial \| Commercial
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	0	0
Pre- Modification Recorded Investment	$ 0	$ 0
Post- Modification Recorded Investment	$ 0	$ 0
With Payment Defaults During the
Number of Loans \| loan	0	0
Recorded Investment	$ 0	$ 0
Commercial \| Commercial real estate
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	0	0
Pre- Modification Recorded Investment	$ 0	$ 0
Post- Modification Recorded Investment	$ 0	$ 0
With Payment Defaults During the
Number of Loans \| loan	0	0
Recorded Investment	$ 0	$ 0
Agricultural and agricultural real estate
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	0	0
Pre- Modification Recorded Investment	$ 0	$ 0
Post- Modification Recorded Investment	$ 0	$ 0
With Payment Defaults During the
Number of Loans \| loan	0	0
Recorded Investment	$ 0	$ 0
Residential real estate
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	1	5
Pre- Modification Recorded Investment	$ 36	$ 877
Post- Modification Recorded Investment	$ 42	$ 752
With Payment Defaults During the
Number of Loans \| loan	1	3
Recorded Investment	$ 42	$ 519
Consumer
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	0	0
Pre- Modification Recorded Investment	$ 0	$ 0
Post- Modification Recorded Investment	$ 0	$ 0
With Payment Defaults During the
Number of Loans \| loan	0	0
Recorded Investment	$ 0	$ 0

Financing Receivable, Subsequent Default [Abstract]

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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.

+ Details

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

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- Definition

Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

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- Definition

Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524

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- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

+ References

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