LOANS AND ALLOWANCE FOR LOAN LOSSES (Schedule of Credit Risk Exposure Indicators by Portfolio Segment) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 1,807,007	$ 1,772,610	$ 1,696,765
Pass (Grades 1-6)
Financing Receivable, Recorded Investment [Line Items]
Loans	1,444,249	1,423,906
Performing
Financing Receivable, Recorded Investment [Line Items]
Loans	295,484	286,954
Special Mention (Grade 7)
Financing Receivable, Recorded Investment [Line Items]
Loans	30,656	14,292
Substandard (Grade 8)
Financing Receivable, Recorded Investment [Line Items]
Loans	34,661	45,446
Non-performing
Financing Receivable, Recorded Investment [Line Items]
Loans	1,957	2,012
Residential Real Estate
Financing Receivable, Recorded Investment [Line Items]
Loans	587,244	585,468	567,159
Residential Real Estate | Pass (Grades 1-6)
Financing Receivable, Recorded Investment [Line Items]
Loans	576,814	572,589
Residential Real Estate | Performing
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Residential Real Estate | Special Mention (Grade 7)
Financing Receivable, Recorded Investment [Line Items]
Loans	2,618	3,579
Residential Real Estate | Substandard (Grade 8)
Financing Receivable, Recorded Investment [Line Items]
Loans	7,812	9,300
Residential Real Estate | Non-performing
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Commercial Real Estate
Financing Receivable, Recorded Investment [Line Items]
Loans	660,135	640,661	604,140
Commercial Real Estate | Pass (Grades 1-6)
Financing Receivable, Recorded Investment [Line Items]
Loans	617,517	606,387
Commercial Real Estate | Performing
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Commercial Real Estate | Special Mention (Grade 7)
Financing Receivable, Recorded Investment [Line Items]
Loans	20,807	4,690
Commercial Real Estate | Substandard (Grade 8)
Financing Receivable, Recorded Investment [Line Items]
Loans	21,811	29,584
Commercial Real Estate | Non-performing
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Commercial
Financing Receivable, Recorded Investment [Line Items]
Loans	262,187	257,515	233,859
Commercial | Pass (Grades 1-6)
Financing Receivable, Recorded Investment [Line Items]
Loans	249,918	244,930
Commercial | Performing
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Commercial | Special Mention (Grade 7)
Financing Receivable, Recorded Investment [Line Items]
Loans	7,231	6,023
Commercial | Substandard (Grade 8)
Financing Receivable, Recorded Investment [Line Items]
Loans	5,038	6,562
Commercial | Non-performing
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Home Equity
Financing Receivable, Recorded Investment [Line Items]
Loans	281,057	271,709	273,779
Home Equity | Pass (Grades 1-6)
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Home Equity | Performing
Financing Receivable, Recorded Investment [Line Items]
Loans	279,351	269,968
Home Equity | Special Mention (Grade 7)
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Home Equity | Substandard (Grade 8)
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Home Equity | Non-performing
Financing Receivable, Recorded Investment [Line Items]
Loans	1,706	1,741
Consumer
Financing Receivable, Recorded Investment [Line Items]
Loans	16,384	17,257	$ 17,828
Consumer | Pass (Grades 1-6)
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Consumer | Performing
Financing Receivable, Recorded Investment [Line Items]
Loans	16,133	16,986
Consumer | Special Mention (Grade 7)
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Consumer | Substandard (Grade 8)
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Consumer | Non-performing
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 251	$ 271