LOANS AND ALLOWANCE FOR CREDIT LOSSES (Rollforward of TDRs) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR beginning balance	$ 16,624	$ 18,504
New TDRs		345
Disbursements (Payments)	(935)	(1,442)
Charge offs	(477)	(89)
Reclassifications/Transfer In/(Out)	(74)	(108)
Payoffs	(3,357)	(586)
TDR ending balance	11,781	16,624
TDR, Related Allowance	556	805
Impaired Nonaccrual Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR beginning balance	3,298	5,504
New TDRs		345
Disbursements (Payments)	(180)	(966)
Charge offs	(80)
Reclassifications/Transfer In/(Out)	80	(1,585)
TDR ending balance	3,118	3,298
TDR, Related Allowance	336	492
Impaired Nonaccrual Loans [Member] | Residential Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR beginning balance		1,603
Disbursements (Payments)		(68)
Charge offs	(80)
Reclassifications/Transfer In/(Out)	80	(1,535)
Impaired Nonaccrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR beginning balance	83	83
Reclassifications/Transfer In/(Out)	(83)
TDR ending balance		83
Impaired Nonaccrual Loans [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR beginning balance	337
New TDRs		345
Disbursements (Payments)	(17)	(8)
TDR ending balance	320	337
TDR, Related Allowance	16	33
Impaired Nonaccrual Loans [Member] | Construction Loans [Member] | Commercial and Residential Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR beginning balance	2,878	3,818
Disbursements (Payments)	(163)	(890)
Reclassifications/Transfer In/(Out)	83	(50)
TDR ending balance	2,798	2,878
TDR, Related Allowance	320	459
Impaired Accruing Restructured Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR beginning balance	13,326	13,000
Disbursements (Payments)	(755)	(476)
Charge offs	(397)	(89)
Reclassifications/Transfer In/(Out)	(154)	1,477
Payoffs	(3,357)	(586)
TDR ending balance	8,663	13,326
TDR, Related Allowance	220	313
Impaired Accruing Restructured Loans [Member] | Residential Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR beginning balance	4,536	3,875
Disbursements (Payments)	(85)	(333)
Charge offs		(89)
Reclassifications/Transfer In/(Out)	541	1,535
Payoffs	(538)	(452)
TDR ending balance	4,454	4,536
TDR, Related Allowance	183	239
Impaired Accruing Restructured Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR beginning balance	4,818	4,936
Disbursements (Payments)	(441)	(118)
Payoffs	(219)
TDR ending balance	4,158	4,818
TDR, Related Allowance	37	33
Impaired Accruing Restructured Loans [Member] | Construction Loans [Member] | Commercial and Residential Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR beginning balance	3,972	4,189
Disbursements (Payments)	(229)	(25)
Charge offs	(397)
Reclassifications/Transfer In/(Out)	(695)	(58)
Payoffs	(2,600)	(134)
TDR ending balance	$ 51	3,972
TDR, Related Allowance		$ 41