LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES - TDR ACCRUAL STATUS (Details) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2018 USD ($) item	Dec. 31, 2017 USD ($) item
Troubled Debt Restructurings disclosures
Number of Loans \| item	1,094	1,097
Recorded Investment \| $	$ 34,745	$ 34,637
Residential Real Estate
Troubled Debt Restructurings disclosures
Number of Loans \| item	242	245
Recorded Investment \| $	$ 25,763	$ 25,115
Consumer
Troubled Debt Restructurings disclosures
Number of Loans \| item	828	830
Recorded Investment \| $	$ 485	$ 637
Commercial Real Estate
Troubled Debt Restructurings disclosures
Number of Loans \| item	16	16
Recorded Investment \| $	$ 7,861	$ 7,865
Construction & land development
Troubled Debt Restructurings disclosures
Number of Loans \| item	3	4
Recorded Investment \| $	$ 611	$ 733
Commercial & industrial
Troubled Debt Restructurings disclosures
Number of Loans \| item	5	2
Recorded Investment \| $	$ 25	$ 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 \| item	65	65
Recorded Investment \| $	$ 6,201	$ 6,359
Loans on nonaccrual status \| Residential Real Estate
Troubled Debt Restructurings disclosures
Number of Loans \| item	62	62
Recorded Investment \| $	$ 4,797	$ 4,926
Loans on nonaccrual status \| Commercial Real Estate
Troubled Debt Restructurings disclosures
Number of Loans \| item	2	2
Recorded Investment \| $	$ 1,342	$ 1,366
Loans on nonaccrual status \| Construction & land development
Troubled Debt Restructurings disclosures
Number of Loans \| item	1	1
Recorded Investment \| $	$ 62	$ 67
Accrual Loans
Troubled Debt Restructurings disclosures
Number of Loans \| item	1,029	1,032
Recorded Investment \| $	$ 28,544	$ 28,278
Accrual Loans \| Residential Real Estate
Troubled Debt Restructurings disclosures
Number of Loans \| item	180	183
Recorded Investment \| $	$ 20,966	$ 20,189
Accrual Loans \| Consumer
Troubled Debt Restructurings disclosures
Number of Loans \| item	828	830
Recorded Investment \| $	$ 485	$ 637
Accrual Loans \| Commercial Real Estate
Troubled Debt Restructurings disclosures
Number of Loans \| item	14	14
Recorded Investment \| $	$ 6,519	$ 6,499
Accrual Loans \| Construction & land development
Troubled Debt Restructurings disclosures
Number of Loans \| item	2	3
Recorded Investment \| $	$ 549	$ 666
Accrual Loans \| Commercial & industrial
Troubled Debt Restructurings disclosures
Number of Loans \| item	5	2
Recorded Investment \| $	$ 25	$ 287

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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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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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+ References

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