LOANS - Components of impaired loans (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Business Activities Loans
Non-accrual loans, excluding troubled debt restructured loans	$ 6,752	$ 5,419
Non-accrual troubled debt restructured loans	628	1,753
Accruing troubled debt restructured loans	9,189	8,500
Total impaired loans	16,569	15,672
Commitments to lend additional amounts to impaired borrowers
Acquired Loans
Non-accrual loans, excluding troubled debt restructured loans	2,493
Non-accrual troubled debt restructured loans
Accruing troubled debt restructured loans	571
Total impaired loans	3,064
Commitments to lend additional amounts to impaired borrowers

Reflects the amount of the write-down related to a troubled debt restructuring.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 40

-Section 50

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Average 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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Reflects the carrying amount of loans and leases for which agreements to acquire or dispose exist.

+ References

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

-Publisher FASB

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-Topic 942

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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

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The gross interest income that would have been recorded in the period on troubled debt restructurings, if the loans had been current in accordance with their original terms and had been outstanding throughout the period or since origination, if held for part of the period.

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