LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES - TDR ACCRUAL STATUS (Details) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2018 USD ($) loan	Dec. 31, 2017 USD ($) loan
Troubled Debt Restructurings disclosures
Number of Loans \| loan	593	1,097
Recorded Investment \| $	$ 35,964	$ 34,637
Residential Real Estate
Troubled Debt Restructurings disclosures
Number of Loans \| loan	244	245
Recorded Investment \| $	$ 26,600	$ 25,115
Consumer
Troubled Debt Restructurings disclosures
Number of Loans \| loan	325	830
Recorded Investment \| $	$ 511	$ 637
Commercial Real Estate
Troubled Debt Restructurings disclosures
Number of Loans \| loan	17	16
Recorded Investment \| $	$ 7,963	$ 7,865
Construction & land development
Troubled Debt Restructurings disclosures
Number of Loans \| loan	2	4
Recorded Investment \| $	$ 128	$ 733
Commercial & industrial
Troubled Debt Restructurings disclosures
Number of Loans \| loan	5	2
Recorded Investment \| $	$ 762	$ 287
Loans on nonaccrual status
Troubled Debt Restructurings disclosures
Minimum period for which TDRs continue to be reported as non-performing loans	6 months
Number of Loans \| loan	73	65
Recorded Investment \| $	$ 8,807	$ 6,359
Loans on nonaccrual status \| Residential Real Estate
Troubled Debt Restructurings disclosures
Number of Loans \| loan	67	62
Recorded Investment \| $	$ 6,683	$ 4,926
Loans on nonaccrual status \| Commercial Real Estate
Troubled Debt Restructurings disclosures
Number of Loans \| loan	2	2
Recorded Investment \| $	$ 1,316	$ 1,366
Loans on nonaccrual status \| Construction & land development
Troubled Debt Restructurings disclosures
Number of Loans \| loan	1	1
Recorded Investment \| $	$ 58	$ 67
Loans on nonaccrual status \| Commercial & industrial
Troubled Debt Restructurings disclosures
Number of Loans \| loan	3
Recorded Investment \| $	$ 750
Accrual Loans
Troubled Debt Restructurings disclosures
Number of Loans \| loan	520	1,032
Recorded Investment \| $	$ 27,157	$ 28,278
Accrual Loans \| Residential Real Estate
Troubled Debt Restructurings disclosures
Number of Loans \| loan	177	183
Recorded Investment \| $	$ 19,917	$ 20,189
Accrual Loans \| Consumer
Troubled Debt Restructurings disclosures
Number of Loans \| loan	325	830
Recorded Investment \| $	$ 511	$ 637
Accrual Loans \| Commercial Real Estate
Troubled Debt Restructurings disclosures
Number of Loans \| loan	15	14
Recorded Investment \| $	$ 6,647	$ 6,499
Accrual Loans \| Construction & land development
Troubled Debt Restructurings disclosures
Number of Loans \| loan	1	3
Recorded Investment \| $	$ 70	$ 666
Accrual Loans \| Commercial & industrial
Troubled Debt Restructurings disclosures
Number of Loans \| loan	2	2
Recorded Investment \| $	$ 12	$ 287

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+ References

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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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