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LOANS - Recorded Investment and Number of Modifications (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($) modification	Mar. 31, 2017 USD ($) modification
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Modifications | modification	5	10
Pre-Modification Outstanding Recorded Investment	$ 2,113	$ 3,114
Post-Modification Outstanding Recorded Investment	$ 2,042	$ 2,598
Total commercial loans | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Modifications | modification		6
Pre-Modification Outstanding Recorded Investment		$ 2,832
Post-Modification Outstanding Recorded Investment		$ 2,333
Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Modifications | modification	4	1
Pre-Modification Outstanding Recorded Investment	$ 1,995	$ 24
Post-Modification Outstanding Recorded Investment	$ 1,924	$ 24
Residential Mortgages | 1-4 Family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Modifications | modification	1	2
Pre-Modification Outstanding Recorded Investment	$ 118	$ 205
Post-Modification Outstanding Recorded Investment	$ 118	$ 188
Consumer Loans | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Modifications | modification	0	1
Pre-Modification Outstanding Recorded Investment	$ 0	$ 53
Post-Modification Outstanding Recorded Investment	$ 0	$ 53

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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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Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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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+ References

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-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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