LOANS - Impaired Loans (Details) - USD ($)	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Interest income :
Interest income recognized on nonaccrual loans	$ 0	$ 0	$ 0
Additional interest income that would have been recorded had they been current	718,000	992,000	615,000
Recognized interest income on loans modified under troubled debt restructurings	339,000	267,000	$ 222,000
Non-PCI loans
Summay of impaired loans
Nonaccrual loans	16,871,000	18,462,000
Loans modified under troubled debt restructuring	17,952,000	11,042,000
Non-PCI loans \| Impaired
Summay of impaired loans
Nonaccrual loans	16,871,000	18,462,000
Accruing loans contractually past due 90 days or more as to interest or principal payments	2,405,000	1,142,000
Loans modified under troubled debt restructuring	12,327,000	5,287,000
Total impaired loans	31,603,000	24,891,000
PCI loans
Summay of impaired loans
Total impaired loans	28,300,000	38,500,000
Commercial \| Commercial loan portfolio \| Non-PCI loans
Summay of impaired loans
Nonaccrual loans	3,559,000	5,702,000
Loans modified under troubled debt restructuring	611,000	43,000
Commercial \| Commercial loan portfolio \| Non-PCI loans \| Impaired
Summay of impaired loans
Nonaccrual loans	3,559,000	5,702,000
Accruing loans contractually past due 90 days or more as to interest or principal payments	2,378,000	865,000
Loans modified under troubled debt restructuring	611,000	3,000
Total impaired loans	6,548,000	6,570,000
Non residential real estate \| Commercial loan portfolio \| Non-PCI loans
Summay of impaired loans
Nonaccrual loans	7,145,000	8,844,000
Loans modified under troubled debt restructuring	16,351,000	10,205,000
Non residential real estate \| Commercial loan portfolio \| Non-PCI loans \| Impaired
Summay of impaired loans
Nonaccrual loans	7,145,000	8,844,000
Loans modified under troubled debt restructuring	11,253,000	4,873,000
Total impaired loans	18,398,000	13,717,000
Construction and land development \| Commercial loan portfolio \| Non-PCI loans
Summay of impaired loans
Nonaccrual loans	21,000
Loans modified under troubled debt restructuring	63,000
Construction and land development \| Commercial loan portfolio \| Non-PCI loans \| Impaired
Summay of impaired loans
Nonaccrual loans	21,000
Loans modified under troubled debt restructuring	63,000
Total impaired loans	84,000
Residential real estate \| Other loan portfolio \| Non-PCI loans
Summay of impaired loans
Nonaccrual loans	4,629,000	3,516,000
Loans modified under troubled debt restructuring	927,000	794,000
Residential real estate \| Other loan portfolio \| Non-PCI loans \| Impaired
Summay of impaired loans
Nonaccrual loans	4,629,000	3,516,000
Accruing loans contractually past due 90 days or more as to interest or principal payments		228,000
Loans modified under troubled debt restructuring	400,000	411,000
Total impaired loans	5,029,000	4,155,000
Consumer \| Other loan portfolio \| Non-PCI loans
Summay of impaired loans
Nonaccrual loans	187,000	2,000
Consumer \| Other loan portfolio \| Non-PCI loans \| Impaired
Summay of impaired loans
Nonaccrual loans	187,000	2,000
Accruing loans contractually past due 90 days or more as to interest or principal payments	26,000	49,000
Total impaired loans	213,000	51,000
Lease financing \| Other loan portfolio \| Non-PCI loans
Summay of impaired loans
Nonaccrual loans	1,330,000	398,000
Lease financing \| Other loan portfolio \| Non-PCI loans \| Impaired
Summay of impaired loans
Nonaccrual loans	1,330,000	398,000
Accruing loans contractually past due 90 days or more as to interest or principal payments	1,000
Total impaired loans	$ 1,331,000	$ 398,000

The gross interest income recorded in the period on troubled debt restructurings.

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No definition available.

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The amount of the outstanding recorded investment related to 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 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554

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Recorded investment in financing receivables that are 90 days or more past due and still accruing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Recorded Investment
-URI http://asc.fasb.org/extlink&oid=65880944

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Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

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- Definition

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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The amount of interest income on impaired and nonperforming loans that is due to the change in present value attributable to the passage of time.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5278-111524

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- Definition

Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18794-111554

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