LOANS (Schedule of Accounts, Notes, Loans and Financing Receivable) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2020	Dec. 31, 2019	Sep. 30, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,627,620	$ 1,454,172
Less:
Net deferred costs	1,600	1,900
Allowance for loan loss	(18,829)	(10,942)
Loans and Leases Receivable, Net Amount, Total	(1,607,124)	(1,445,109)
Total loans, net of deferred costs	$ 1,625,953	$ 1,456,051
Deferred loan fees and premiums, percentage	(0.10%)	0.13%
Loans and leases receivable, allowance percentage	(1.26%)	(0.75%)
Net Deferred Costs and Allowance for Loan Losses, Net	$ 1,607,124	$ 1,445,109
Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,496,532	$ 1,454,172	$ 1,415,417
Percentage status of loan in portfolio	100.00%	100.00%
Less:
Net deferred costs	$ 1,610	$ 1,879
Allowance for loan loss	18,829	10,942
Loans and Leases Receivable, Net Amount, Total	(17,219)	(9,063)
Total loans, net of deferred costs	$ 1,479,313	$ 1,445,109
Deferred loan fees and premiums, percentage	0.11%	0.13%
Loans and leases receivable, allowance percentage	(1.26%)	(0.75%)
Non Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 127,811	$ 0
Less:
Net deferred costs	$ (3,277)	0
Purchased credit impaired
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	0.09%
Purchased credit impaired \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,985	2,424	2,803
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,021,987	964,777
Commercial real estate \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,021,987	$ 964,777	932,344
Percentage status of loan in portfolio	68.29%	66.34%
Commercial real estate \| Purchased credit impaired \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,581	$ 1,738	1,732
Residential first mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	147,756	167,710
Residential first mortgages \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 147,756	$ 167,710	163,727
Percentage status of loan in portfolio	9.87%	11.53%
Residential first mortgages \| Purchased credit impaired \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 0	$ 0	451
Residential rentals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	137,950	123,601
Residential rentals \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 137,950	$ 123,601	121,170
Percentage status of loan in portfolio	9.22%	8.50%
Residential rentals \| Purchased credit impaired \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 0	$ 295	317
Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 36,061	$ 34,133
Percentage status of loan in portfolio	2.40%	2.40%
Construction and land development \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 36,061	$ 34,133	30,774
Percentage status of loan in portfolio	2.41%	2.35%
Construction and land development \| Purchased credit impaired \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 0	$ 0	0
Home equity and second mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 31,400	$ 36,100
Percentage status of loan in portfolio	2.10%	2.50%
Home equity and second mortgages \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 31,427	$ 36,098
Percentage status of loan in portfolio	2.10%	2.48%
Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 58,894	$ 63,102
Percentage status of loan in portfolio	3.90%	4.30%
Commercial loans \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 58,894	$ 63,102	69,179
Percentage status of loan in portfolio	3.94%	4.34%
Consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,081	$ 1,104
Consumer loans \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,081	$ 1,104	937
Percentage status of loan in portfolio	0.07%	0.08%
Commercial equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 61,376	$ 63,647
Percentage status of loan in portfolio	4.10%	4.40%
Commercial equipment \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 61,376	$ 63,647	$ 61,104
Percentage status of loan in portfolio	4.10%	4.38%
U.S. SBA PPP Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 131,088	$ 0
U.S. SBA PPP Loans \| Non Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 131,088	$ 0

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Percentage of allowance to cover probable credit losses on loans and leases.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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