LOANS AND ALLOWANCE FOR LOAN LOSSES (Schedule of Credit Risk Exposure Indicators by Portfolio Segment) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 1,791,080	$ 1,772,610	$ 1,620,186
Pass (Grades 1-6)
Financing Receivable, Recorded Investment [Line Items]
Loans	1,439,795	1,423,906
Performing
Financing Receivable, Recorded Investment [Line Items]
Loans	289,441	286,954
Special Mention (Grade 7)
Financing Receivable, Recorded Investment [Line Items]
Loans	17,026	14,292
Substandard (Grade 8)
Financing Receivable, Recorded Investment [Line Items]
Loans	42,876	45,446
Non-performing
Financing Receivable, Recorded Investment [Line Items]
Loans	1,942	2,012
Residential Real Estate
Financing Receivable, Recorded Investment [Line Items]
Loans	584,473	585,468	567,743
Residential Real Estate | Pass (Grades 1-6)
Financing Receivable, Recorded Investment [Line Items]
Loans	572,006	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	3,416	3,579
Residential Real Estate | Substandard (Grade 8)
Financing Receivable, Recorded Investment [Line Items]
Loans	9,051	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	657,461	640,661	574,695
Commercial Real Estate | Pass (Grades 1-6)
Financing Receivable, Recorded Investment [Line Items]
Loans	621,799	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	8,022	4,690
Commercial Real Estate | Substandard (Grade 8)
Financing Receivable, Recorded Investment [Line Items]
Loans	27,640	29,584
Commercial Real Estate | Non-performing
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Commercial
Financing Receivable, Recorded Investment [Line Items]
Loans	257,763	257,515	191,071
Commercial | Pass (Grades 1-6)
Financing Receivable, Recorded Investment [Line Items]
Loans	245,990	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	5,588	6,023
Commercial | Substandard (Grade 8)
Financing Receivable, Recorded Investment [Line Items]
Loans	6,185	6,562
Commercial | Non-performing
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Home Equity
Financing Receivable, Recorded Investment [Line Items]
Loans	274,784	271,709	269,911
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	273,095	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	1,689	1,741
Consumer
Financing Receivable, Recorded Investment [Line Items]
Loans	16,599	17,257	16,766
Consumer | Pass (Grades 1-6)
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Consumer | Performing
Financing Receivable, Recorded Investment [Line Items]
Loans	16,346	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	$ 253	$ 271