FAIR VALUE (Schedule of Financial Instruments) (Details) - USD ($) $ in Thousands		Sep. 30, 2023		Dec. 31, 2022
Financial Assets:
Securities available for sale		$ 521,005		$ 554,648
Securities held to maturity		108,940		102,291
FHLB and FRB stock	[1]	34,158		30,672
Loans held for sale, at lower of cost or fair value		6,716		15,626
Accrued interest receivable		22,889		25,157
Carrying Value [Member]
Financial Assets:
Cash and cash equivalents		187,869		190,075
Securities available for sale		521,005		554,648
Securities held to maturity		108,940		102,291
CRA investment fund		12,581		12,985
FHLB and FRB stock		34,158		30,672
Loans held for sale, at lower of cost or fair value		6,716		15,626
Loans, net of allowance for loan and lease losses		5,418,129		5,224,417
Accrued interest receivable		22,889		25,157
Financial Liabilities:
Deposits		5,259,359		5,205,164
Short-term borrowings		470,576		379,530
Subordinated debt		133,203		132,987
Accrued interest payable		7,268		2,997
Carrying Value [Member] | Not Designated as Hedging Instrument [Member]
Financial Assets:
Accrued interest receivable		343	[2]	1,092	[3]
Derivatives		41,721		38,265
Financial Liabilities:
Accrued interest payable		343	[4]	1,092	[5]
Derivatives		41,721		38,265
Carrying Value [Member] | Designated as Hedging Instrument [Member]
Financial Assets:
Derivatives		13,109		9,289
Fair value [Member]
Financial Assets:
Cash and cash equivalents		187,869		190,075
Securities available for sale		521,005		554,648
Securities held to maturity		91,201		87,187
CRA investment fund		12,581		12,985
Loans held for sale, at lower of cost or fair value		7,243		17,176
Loans, net of allowance for loan and lease losses		5,165,016		5,141,201
Accrued interest receivable		22,889		25,157
Financial Liabilities:
Deposits		5,251,830		5,192,224
Short-term borrowings		470,576		379,530
Subordinated debt		113,950		119,865
Accrued interest payable		7,268		2,997
Fair value [Member] | Quoted Prices in Active Market For Identical Assets (Level 1) [Member]
Financial Assets:
Cash and cash equivalents		187,869		190,075
CRA investment fund		12,581		12,985
Financial Liabilities:
Deposits		4,708,502		4,835,249
Accrued interest payable		4,696		2,509
Fair value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Financial Assets:
Securities available for sale		521,005		554,648
Securities held to maturity		91,201		87,187
Loans held for sale, at lower of cost or fair value		7,243		17,176
Accrued interest receivable		2,601		2,393
Financial Liabilities:
Deposits		543,328		356,975
Short-term borrowings		470,576		379,530
Accrued interest payable		1,549		413
Fair value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Financial Assets:
Loans, net of allowance for loan and lease losses		5,165,016		5,141,201
Accrued interest receivable		20,288		22,764
Financial Liabilities:
Subordinated debt		113,950		119,865
Accrued interest payable		1,023		75
Fair value [Member] | Not Designated as Hedging Instrument [Member]
Financial Assets:
Accrued interest receivable		343	[2]	1,092	[3]
Derivatives		41,721		38,265
Financial Liabilities:
Accrued interest payable		343	[4]	1,092	[5]
Derivatives		41,721		38,265
Fair value [Member] | Not Designated as Hedging Instrument [Member] | Significant Other Observable Inputs (Level 2) [Member]
Financial Assets:
Accrued interest receivable		343	[2]	1,092	[3]
Derivatives		41,721		38,265
Financial Liabilities:
Accrued interest payable		343	[4]	1,092	[5]
Derivatives		41,721		38,265
Fair value [Member] | Designated as Hedging Instrument [Member]
Financial Assets:
Derivatives		13,109		9,289
Fair value [Member] | Designated as Hedging Instrument [Member] | Significant Other Observable Inputs (Level 2) [Member]
Financial Assets:
Derivatives		$ 13,109		$ 9,289

[1] FHLB means "Federal Home Loan Bank" and FRB means "Federal Reserve Bank."

[2] Included in other assets in the Consolidated Statement of Condition.

[3] Included in other assets in the Consolidated Statement of Condition.

[4] Included in accrued expenses and other liabilities in the Consolidated Statement of Condition.

[5] Included in accrued expenses and other liabilities in the Consolidated Statement of Condition.