FAIR VALUE OF FINANCIAL INSTRUMENTS (Fair Value, by Balance Sheet Grouping) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Assets
Investment securities - AFS	$ 229,620	$ 208,187
Equity securities carried at fair value through income	4,851	4,669
Non-marketable equity securities in other financial institutions	209	209
FHLB Stock	3,415	3,447
Net loans receivable	1,589,495	1,424,506
Accrued Interest Receivable	8,975	5,019
Investment in BOLI	37,841	37,180
Liabilities
Savings, NOW and money market accounts	1,416,146	1,117,668
Time deposits	365,439	396,492
Short-term borrowings		5,007
Long-term debt	43,298	40,588
TRUPs	9,022	10,129
Subordinated notes		23,031
Carrying Amount
Assets
Investment securities - AFS	229,620	208,187
Equity securities carried at fair value through income	4,851	4,669
Non-marketable equity securities in other financial institutions	209	209
FHLB Stock	3,415	3,447
Net loans receivable	1,607,124	1,445,109
Accrued Interest Receivable	8,975	5,019
Investment in BOLI	37,841	37,180
Liabilities
Savings, NOW and money market accounts	1,416,146	1,117,668
Time deposits	363,460	394,169
Short-term borrowings		5,000
Long-term debt	42,319	40,370
TRUPs	12,000	12,000
Subordinated notes		23,000
Fair Value, Inputs, Level 2
Assets
Investment securities - AFS	229,620	208,187
Equity securities carried at fair value through income	4,851	4,669
Non-marketable equity securities in other financial institutions	209	209
FHLB Stock	3,415	3,447
Accrued Interest Receivable	8,975	5,019
Investment in BOLI	37,841	37,180
Liabilities
Savings, NOW and money market accounts	1,416,146	1,117,668
Time deposits	365,439	396,492
Short-term borrowings		5,007
Long-term debt	43,298	40,588
TRUPs	9,022	10,129
Subordinated notes		23,031
Fair Value, Inputs, Level 3
Assets
Net loans receivable	$ 1,589,495	$ 1,424,506