FAIR VALUE (Schedule of Financial Instruments) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Financial Assets:
Securities available for sale	$ 390,755	$ 377,936
FHLB and FRB stock	24,068	18,533
Loans held for sale, at fair value	2,881	1,576
Loans held for sale, at lower of cost or fair value	14,667	3,542
Accrued interest receivable	10,494	10,814
Financial Liabilities:
Short-term borrowings	128,100
Federal Home Loan Bank advances	105,000	108,000
Carrying Value [Member]
Financial Assets:
Cash and cash equivalents	208,185	160,773
Securities available for sale	390,755	377,936
CRA investment fund	10,836	4,719
FHLB and FRB stock	24,068	18,533
Loans held for sale, at fair value	2,881	1,576
Loans held for sale, at lower of cost or fair value	14,667	3,542
Loans, net of allowance for loan losses	4,350,461	3,889,427
Accrued interest receivable	10,494	10,814
Financial Liabilities:
Deposits	4,243,511	3,895,340
Short-term borrowings	128,100
Federal Home Loan Bank advances	105,000	108,000
Subordinated debt	83,417	83,193
Accrued interest payable	2,357	2,868
Fair value [Member]
Financial Assets:
Cash and cash equivalents	208,185	160,773
Securities available for sale	390,755	377,936
CRA investment fund	10,836	4,719
Loans held for sale, at fair value	2,881	1,576
Loans held for sale, at lower of cost or fair value	15,126	3,654
Loans, net of allowance for loan losses	4,268,481	3,852,004
Accrued interest receivable	10,494	10,814
Financial Liabilities:
Deposits	4,247,427	3,890,271
Short-term borrowings	128,100
Federal Home Loan Bank advances	108,354	108,950
Subordinated debt	86,536	82,207
Accrued interest payable	2,357	2,868
Fair value [Member] | Quoted Prices in Active Market For Identical Assets (Level 1) [Member]
Financial Assets:
Cash and cash equivalents	208,185	160,773
CRA investment fund	10,836	4,719
Financial Liabilities:
Deposits	3,528,609	3,249,274
Accrued interest payable	392	331
Fair value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Financial Assets:
Securities available for sale	390,755	377,936
Loans held for sale, at fair value	2,881	1,576
Loans held for sale, at lower of cost or fair value	15,126	3,654
Accrued interest receivable	1,361	1,875
Financial Liabilities:
Deposits	718,818	640,997
Short-term borrowings	128,100
Federal Home Loan Bank advances	108,354	108,950
Accrued interest payable	1,910	2,482
Fair value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Financial Assets:
Loans, net of allowance for loan losses	4,268,481	3,852,004
Accrued interest receivable	9,133	8,939
Financial Liabilities:
Subordinated debt	86,536	82,207
Accrued interest payable	55	55
Designated as Hedging Instrument [Member] | Carrying Value [Member]
Financial Assets:
Derivatives	121	1,657
Financial Liabilities:
Derivatives	3,788	849
Designated as Hedging Instrument [Member] | Fair value [Member]
Financial Assets:
Derivatives	121	1,657
Financial Liabilities:
Derivatives	3,788	849
Designated as Hedging Instrument [Member] | Fair value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Financial Assets:
Derivatives	121	1,657
Financial Liabilities:
Derivatives	3,788	849
Not Designated as Hedging Instrument [Member] | Carrying Value [Member]
Financial Assets:
Derivatives	32,381	9,689
Financial Liabilities:
Derivatives	32,381	9,689
Not Designated as Hedging Instrument [Member] | Fair value [Member]
Financial Assets:
Derivatives	32,381	9,689
Financial Liabilities:
Derivatives	32,381	9,689
Not Designated as Hedging Instrument [Member] | Fair value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Financial Assets:
Derivatives	32,381	9,689
Financial Liabilities:
Derivatives	$ 32,381	$ 9,689