ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY OF FINANCING RECEIVABLES - Changes In The Allowance For Loan Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 8,775	$ 7,335
Charge-offs	(1,246)	(128)
Recoveries	207	131
Provision	2,531	1,437
Ending balance	10,267	8,775
Commercial and Industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	603	208
Charge-offs	(198)	(11)
Recoveries	3	3
Provision	767	403
Ending balance	1,175	603
Construction
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	663	336
Charge-offs	0	0
Recoveries	0	0
Provision	(126)	327
Ending balance	537	663
Commercial Real Estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	5,575	5,185
Charge-offs	(473)	(26)
Recoveries	124	17
Provision	1,491	399
Ending balance	6,717	5,575
Residential Real Estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	1,371	1,032
Charge-offs	(499)	(22)
Recoveries	71	91
Provision	395	270
Ending balance	1,338	1,371
Consumer and Other
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	23	26
Charge-offs	(76)	(69)
Recoveries	9	20
Provision	53	46
Ending balance	9	23
Unallocated
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	540	548
Charge-offs	0	0
Recoveries	0	0
Provision	(49)	(8)
Ending balance	$ 491	$ 540