LOANS AND ALLOWANCE FOR CREDIT LOSSES (Financing Receivable Credit Quality Indicators) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	$ 1,195,355	$ 1,093,514
Pass Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	967,331	864,162
Pass Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	194,540	199,937
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	8,926	12,184
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	24,558	17,231
Commercial and Residential Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	127,572	125,746
Commercial and Residential Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Pass Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	93,977	88,836
Commercial and Residential Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Pass Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	30,735	30,674
Commercial and Residential Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	2,860	6,236
Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	429,560	399,190
Residential Portfolio Segment [Member] | Pass Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	386,553	355,575
Residential Portfolio Segment [Member] | Pass Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	33,739	34,973
Residential Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	3,769	4,456
Residential Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	5,499	4,186
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	523,427	464,887
Commercial Real Estate Portfolio Segment [Member] | Pass Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	389,219	342,051
Commercial Real Estate Portfolio Segment [Member] | Pass Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	113,873	109,041
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	4,515	7,420
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	15,820	6,375
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	107,522	97,284
Commercial Portfolio Segment [Member] | Pass Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	90,777	72,440
Commercial Portfolio Segment [Member] | Pass Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	15,727	24,102
Commercial Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	642	308
Commercial Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	376	434
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	7,274	6,407
Consumer Portfolio Segment [Member] | Pass Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	6,805	5,260
Consumer Portfolio Segment [Member] | Pass Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	466	$ 1,147
Consumer Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	$ 3