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LOANS - Recorded Investment and Number of Modifications (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019 USD ($) modification	Jun. 30, 2018 USD ($) modification	Jun. 30, 2019 USD ($) modification	Jun. 30, 2018 USD ($) modification
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Modifications | modification	2	0	5	5
Pre-Modification Outstanding Recorded Investment	$ 282	$ 0	$ 620	$ 2,113
Post-Modification Outstanding Recorded Investment	$ 279	$ 0	$ 617	$ 2,042
Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Modifications | modification	0		2
Pre-Modification Outstanding Recorded Investment	$ 0		$ 145
Post-Modification Outstanding Recorded Investment	$ 0		$ 145
Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Modifications | modification	2	0	3	4
Pre-Modification Outstanding Recorded Investment	$ 282	$ 0	$ 475	$ 1,995
Post-Modification Outstanding Recorded Investment	$ 279	$ 0	$ 472	$ 1,924
Residential mortgages | 1-4 family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Modifications | modification		0		1
Pre-Modification Outstanding Recorded Investment		$ 0		$ 118
Post-Modification Outstanding Recorded Investment		$ 0		$ 118

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

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Amount, after troubled debt restructuring, of modified financing receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

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Amount, before troubled debt restructuring, of financing receivable to be modified.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

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